US3898751A - Athletic shoe cleat - Google Patents

Athletic shoe cleat Download PDF

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Publication number
US3898751A
US3898751A US455028A US45502874A US3898751A US 3898751 A US3898751 A US 3898751A US 455028 A US455028 A US 455028A US 45502874 A US45502874 A US 45502874A US 3898751 A US3898751 A US 3898751A
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body portion
tip
grooves
base
cleat
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Expired - Lifetime
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US455028A
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Paul R Gustin
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/16—Studs or cleats for football or like boots
    • A43C15/162—Studs or cleats for football or like boots characterised by the shape
    • A43C15/164—Studs or cleats for football or like boots characterised by the shape having a circular cross section
    • A43C15/167—Studs or cleats for football or like boots characterised by the shape having a circular cross section frusto-conical or cylindrical

Definitions

  • This invention relates to a cleat for an athletic shoe, and more particularly to a removable cleat for a football shoe, which cleat provides improved traction on dirt, grass, and artificial playing surfaces.
  • a cleat providing a body portion intermediate the tip and base having a plurality of longitudinal grooves extending into the tip.
  • the grooves and body portion intersect to form angular gripping corners on the body portion and tip.
  • a plurality of upstanding longitudinal gripping members on the body portion adjacent the base can be provided, which gripping members and gripping corners in combination improve the gripping power of the cleat.
  • FIG. I is an elevational view of the cleat of this invention.
  • FIG. 2 is a horizontal view of the cleat of this invention.
  • FIG. 3 is an expanded view of the circled portion of FIG. 2.
  • FIG. 4 is an elevational cross sectional view taken along lines 4--4 of FIG. 2.
  • FIG. 5 is an elevational view with parts removed, of the cleat of this invention engaging a wrench used to replace the cleat.
  • FIG. 1 shows a cleat 1 having a base 3 and a generally horizontal tip 5, with an intermediate body portion 7.
  • the body portion 7 forms a generally frustoconical sur face which converges downwardly from base 3 to tip 5.
  • the body portion 7 and tip 5 intersect to form angular edge 9, although edge 9 could be somewhat rounded.
  • a plurality of longitudinal grooves 11 are shown spaced at equal intervals in body 7 adjacent tip 5.
  • the grooves 7 extend into or through the tip 5, as shown in FIG. 2, forming opening 13 therein, when viewed horizontally.
  • the grooves 11 begin at about the middle of body 7 and deepen as they extend toward tip 5.
  • Edge 9 when viewed horizontally, as in FIG. 2, forms a generally circular shape lying on the surface of body 7.
  • the circular-shaped edge 9 is divided into a plurality of arcuate segments 15 spaced apart by grooves 11 which extend radially on tip 5. Grooves 1 1 need not extend radially, however.
  • sides 17 and 17' of groove 11 intersect with body 7 to form angular gripping corners 19 and 19' on body 7 for improved traction.
  • Sides 17 and 17 also intersect edge 9 to form angular gripping corners 21 on tip 5 for improved traction.
  • Adjacent base 3 on body 7 is a plurality of upstanding longitudinal gripping members 23 spaced at equal intervals. Gripping members 23 begin on body 7 intermediate base 3 and tip 5 and gradually increase in height as they approach base 5. Gripping members 23 provide gripping means for engagement with a suitable wrench 25 for loosening and tightening as shown in FIG. 5. Upstanding gripping members 23 also provide improved traction, and in combination with gripping corners l9, l9, and 21 result in a cleat which provides improved gripping power, as well as a cleat which permits easy pivoting and turns of direction by the wearer.
  • Each upstanding member 23 is shown aligned with a corresponding groove 11 but they could be nonaligned without loss of effectiveness.
  • the cleat may be attached to a shoe in any suitable manner.
  • the bore 31 of insert 29 is axially aligned with the axis of body 7 and recess 27.
  • shoulder portion 33 tapers to cover most of the outward surface of insert 29, leaving a small circumferential area 35 exposed to permit cleat 1 to contact the shoe stud without any interference.
  • a tapered stud-receiving aperture 37 Adjacent the inward side of insert 29 is a tapered stud-receiving aperture 37 axially aligned with bore 31 and recess 27.
  • the surface 39 which defines aperture 37 extends into bore 31 to cover the last thread 41. Therefore, the horizontal dimension 43 of aperture 37 adjacent insert 29 is smaller than that of bore 31, insuring that the tip of the shoe stud will extend into surface 39 when the cleat is screwed on, locking the cleat to the stud.
  • FIG. 5 is shown wrench 45 suitable for replacing the cleats of this invention.
  • a head 47 forms internal surface 49 in which is located cavity 5] for receiving cleat l.
  • a plurality of grooves 53 are spaced around internal surface 49. Each groove 53 corresponds to and engages a mating upstanding gripping member 23 to provide the gripping means for turning the cleat l.
  • Wrench 45 has shank 55 and handle 57 formed unitary with reenforcement ribs 59.
  • the cleat 1 from a rigid injection molded polyurethane but other materials such as hard rubber or nylon will do.
  • Cleat 1 can also be made integral with a shoe sole rather than removable.
  • a cleat for a football shoe or the like comprising:
  • a frustoconical body portion converging downwardly from said base to said tip, said body portion and said tip intersecting to form an edge;
  • each of said grooves is aligned with a corresponding gripping memher.
  • a cleat for a football shoe or the like comprising:
  • a cleat for a football shoe or the like comprising:
  • a body portion intermediate said tip and said base, said body portion and said tip intersecting to form an edge, said body portion for attachment to said shoe including;

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

A removable athletic shoe cleat wherein a generally frustoconical body portion, between a base and tip, provides a combination of angular gripping corners at and adjacent the tip and a plurality of upstanding gripping members adjacent the base.

Description

United States Patent Gustin Aug. 12, 1975 [5 ATHLETIC SHOE CLEAT 3,413,737 l2/l968 Kneebusch 36/67 D 3,494,055 2/1970 McSorley 36/67 D [76] Invent: Paul P 1766 Langpon 3,512,275 5/1970 Leavitt 36/67 D Ave., Balt1more, Md. 21222 FOREIGN PATENTS OR APPLICATIONS [22] Filed: Mar. 26, 1974 l 28,114 1913 Umted Kingdom 36/67 R [21] Appl. No.: 455,028
Primary Examiner-Patrick D. Lawson 7 D Attorney, Agent, or Firm-John J. Selko [52] U.S. Cl 36/6 [51] Int. Cl. A43c 15/00 [58] Field of Search 36/67 R, 67 A, 67 B, 67 C, 57 ABSTRACT l A removable athletic shoe cleat wherein a generally [561 2153562231,,fizizatsmngzizf115621 2012132;
UNITED STATES PATENTS and adjacent the tip and a plurality of upstanding grip- 1,827,514 10 1931 Golden 36/67 D ping members adjacent the base 2,185,397 l/l940 Birchfield 36/67 D 2,509,980 5/1950 McCalIum 36/67 D 8 Claims, 5 Drawing Figures ATHLETIC srroa CLEAT BACKGROUND OF THE INVENTION This invention relates to a cleat for an athletic shoe, and more particularly to a removable cleat for a football shoe, which cleat provides improved traction on dirt, grass, and artificial playing surfaces.
SUMMARY OF THE INVENTION It is an object of this invention to provide an athletic shoe cleat with improved traction.
This object can be achieved in a cleat providing a body portion intermediate the tip and base having a plurality of longitudinal grooves extending into the tip. The grooves and body portion intersect to form angular gripping corners on the body portion and tip. In addition thereto, can be provided a plurality of upstanding longitudinal gripping members on the body portion adjacent the base, which gripping members and gripping corners in combination improve the gripping power of the cleat.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. I is an elevational view of the cleat of this invention.
FIG. 2 is a horizontal view of the cleat of this invention.
FIG. 3 is an expanded view of the circled portion of FIG. 2.
FIG. 4 is an elevational cross sectional view taken along lines 4--4 of FIG. 2.
FIG. 5 is an elevational view with parts removed, of the cleat of this invention engaging a wrench used to replace the cleat.
DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring more particularly to the drawings, the best mode contemplated for carrying out the object of this invention is illustrated.
FIG. 1 shows a cleat 1 having a base 3 and a generally horizontal tip 5, with an intermediate body portion 7. The body portion 7 forms a generally frustoconical sur face which converges downwardly from base 3 to tip 5.
The body portion 7 and tip 5 intersect to form angular edge 9, although edge 9 could be somewhat rounded.
A plurality of longitudinal grooves 11 are shown spaced at equal intervals in body 7 adjacent tip 5. The grooves 7 extend into or through the tip 5, as shown in FIG. 2, forming opening 13 therein, when viewed horizontally. The grooves 11 begin at about the middle of body 7 and deepen as they extend toward tip 5.
Edge 9 when viewed horizontally, as in FIG. 2, forms a generally circular shape lying on the surface of body 7. The circular-shaped edge 9 is divided into a plurality of arcuate segments 15 spaced apart by grooves 11 which extend radially on tip 5. Grooves 1 1 need not extend radially, however.
Referring to FIG. 3, sides 17 and 17' of groove 11 intersect with body 7 to form angular gripping corners 19 and 19' on body 7 for improved traction. Sides 17 and 17 also intersect edge 9 to form angular gripping corners 21 on tip 5 for improved traction.
Adjacent base 3 on body 7 is a plurality of upstanding longitudinal gripping members 23 spaced at equal intervals. Gripping members 23 begin on body 7 intermediate base 3 and tip 5 and gradually increase in height as they approach base 5. Gripping members 23 provide gripping means for engagement with a suitable wrench 25 for loosening and tightening as shown in FIG. 5. Upstanding gripping members 23 also provide improved traction, and in combination with gripping corners l9, l9, and 21 result in a cleat which provides improved gripping power, as well as a cleat which permits easy pivoting and turns of direction by the wearer.
Each upstanding member 23 is shown aligned with a corresponding groove 11 but they could be nonaligned without loss of effectiveness.
Iprefer to space 16 grooves l 1 and 16 gripping members 23 around body 7, although other numbers would do as well.
The cleat may be attached to a shoe in any suitable manner. As shown in FIG. 4, I prefer a centrally located recess 27 in base 3 which is presented toward the sole of the shoe. Internally threaded metal insert 29, preferably a square nut, is positioned within body 7 for receiving an externally threaded shoe stud (not shown) which is fastened to the shoe, as is well known. The bore 31 of insert 29 is axially aligned with the axis of body 7 and recess 27.
At the bottom of recess 27 shoulder portion 33 tapers to cover most of the outward surface of insert 29, leaving a small circumferential area 35 exposed to permit cleat 1 to contact the shoe stud without any interference.
Adjacent the inward side of insert 29 is a tapered stud-receiving aperture 37 axially aligned with bore 31 and recess 27. The surface 39 which defines aperture 37 extends into bore 31 to cover the last thread 41. Therefore, the horizontal dimension 43 of aperture 37 adjacent insert 29 is smaller than that of bore 31, insuring that the tip of the shoe stud will extend into surface 39 when the cleat is screwed on, locking the cleat to the stud.
In FIG. 5 is shown wrench 45 suitable for replacing the cleats of this invention. A head 47 forms internal surface 49 in which is located cavity 5] for receiving cleat l. A plurality of grooves 53 are spaced around internal surface 49. Each groove 53 corresponds to and engages a mating upstanding gripping member 23 to provide the gripping means for turning the cleat l.
Wrench 45 has shank 55 and handle 57 formed unitary with reenforcement ribs 59.
I prefer to make the cleat 1 from a rigid injection molded polyurethane but other materials such as hard rubber or nylon will do.
Cleat 1 can also be made integral with a shoe sole rather than removable.
I claim:
1. A cleat for a football shoe or the like comprising:
a. a base;
b. a tip;
0. a frustoconical body portion converging downwardly from said base to said tip, said body portion and said tip intersecting to form an edge;
d. a plurality of longitudinal grooves in said body portion, said grooves extending into said tip;
e. the intersection of the sides of said grooves with said body portion and said edge forming angular gripping corners on said body portion and said tip; and
f. a plurality of upstanding longitudinal gripping members on said body adjacent said base portion.
2. The invention of claim 1 in which said grooves are spaced on said body portion in equal intervals.
3. The invention of claim 2 in which said gripping members are spaced on said body portion in equal intervals.
4. The invention of claim 3 in which each of said grooves is aligned with a corresponding gripping memher.
5. The invention of claim 1 in which said edge, when viewed horizontally, forms a generally circular shape having arcuate segments spaced apart by said grooves.
6. The invention of claim 5 in which said grooves,
when viewed horizontally, extend radially of said circular tip.
7. A cleat for a football shoe or the like comprising:
a. a base;
b. a tip;
0. a body portion intermediate said tip and said base, said body portion and said tip intersecting to form an edge;
d. a plurality of longitudinal grooves in said body portion, said grooves extending into said tip, each of said grooves beginning on the surface of said body portion and deepening as it extends into said tip; and
e. the intersection of the sides of said grooves with said body portion and said edge forming angular gripping corners on said body portion and said tip.
8. A cleat for a football shoe or the like comprising:
a. a base;
b. a tip;
0. a body portion intermediate said tip and said base, said body portion and said tip intersecting to form an edge, said body portion for attachment to said shoe including;
i. an internal recess in said base;
ii. an internally threaded metal insert within said body portion adjacent said recess having a bore axially aligned with said body portion; and
iii. an aperture adjacent the inward side of said metal insert axially aligned with said bore, said aperture having a smaller horizontal dimension than said bore;
d. a plurality of longitudinal grooves in said body portion, said grooves extending into said tip; and
e. the intersection of the sides of said grooves with said body portion and said edge forming, angular gripping comers on said body portion and said tip.

Claims (8)

1. A cleat for a football shoe or the like comprising: a. a base; b. a tip; c. a frustoconical body portion converging downwardly from said base to said tip, said body portion and said tip intersecting to form an edge; d. a plurality of longitudinal grooves in said body portion, said grooves extending into said tip; e. the intersection of the sides of said grooves with said body portion and said edge forming angular gripping corners on said body portion and said tip; and f. a plurality of upstanding longitudinal gripping members on said body adjacent said base portion.
2. The invention of claim 1 in which said grooves are spaced on said body portion in equal intervals.
3. The invention of claim 2 in which said gripping members are spaced on said body portion in equal intervals.
4. The invention of claim 3 in which each of said grooves is aligned with a corresponding gripping member.
5. The invention of claim 1 in which said edge, when viewed horizontally, forms a generally circular shape having arcuate segments spaced apart by said grooves.
6. The invention of claim 5 in which said grooves, when viewed horizontally, extend radially of said circular tip.
7. A cleat for a football shoe or the like comprising: a. a base; b. a tip; c. a body portion intermediate said tip and said base, said body portion and said tip intersecting to form an edge; d. a plurality of longitudinal grooves in said body portion, said grooves extending into said tip, each of said grooves beginning on the surface of said body portion and deepening as it extends into said tip; and e. the intersection of the sides of said grooves with said boDy portion and said edge forming angular gripping corners on said body portion and said tip.
8. A cleat for a football shoe or the like comprising: a. a base; b. a tip; c. a body portion intermediate said tip and said base, said body portion and said tip intersecting to form an edge, said body portion for attachment to said shoe including; i. an internal recess in said base; ii. an internally threaded metal insert within said body portion adjacent said recess having a bore axially aligned with said body portion; and iii. an aperture adjacent the inward side of said metal insert axially aligned with said bore, said aperture having a smaller horizontal dimension than said bore; d. a plurality of longitudinal grooves in said body portion, said grooves extending into said tip; and e. the intersection of the sides of said grooves with said body portion and said edge forming angular gripping corners on said body portion and said tip.
US455028A 1974-03-26 1974-03-26 Athletic shoe cleat Expired - Lifetime US3898751A (en)

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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233759A (en) * 1979-02-07 1980-11-18 Adidas Sportschuhfabriken Adi Dassler Kg Outsoles for sports shoes, particularly for use on artificial grass
US5505012A (en) * 1993-06-15 1996-04-09 Andrew S. Walker Directionally yieldable-cleat assembly
GB2298563A (en) * 1992-04-24 1996-09-11 Softspikes Inc Removable golf shoe cleat
US5623774A (en) * 1995-02-15 1997-04-29 Greenspike, Inc. Stud for sport shoes
US6009640A (en) * 1992-04-24 2000-01-04 Softspikes, Inc. Golf shoe spikes
US6012239A (en) * 1998-05-15 2000-01-11 Andrew W. Conway Replaceable traction device for footwear
US6018893A (en) * 1997-04-03 2000-02-01 Adidas International B.V. Athletic shoe having notched cleats
US6647647B2 (en) * 2001-11-20 2003-11-18 Nike, Inc. Article of footwear with a ground-engaging member and method of altering a ground-engaging member
US20060130372A1 (en) * 2004-12-22 2006-06-22 Nike, Inc. Article of footwear with height adjustable cleat-member
US20090211118A1 (en) * 2008-02-26 2009-08-27 Softspikes, Llc Traction Cleat for Field Sports
US20130067773A1 (en) * 2011-09-16 2013-03-21 Nike, Inc. Orientations For Footwear Ground-Engaging Member Support Features
US20140026441A1 (en) * 2012-07-30 2014-01-30 Nike, Inc. Support Features For Footwear Ground Engaging Members
US8806779B2 (en) 2011-09-16 2014-08-19 Nike, Inc. Shaped support features for footwear ground-engaging members
US9138027B2 (en) 2011-09-16 2015-09-22 Nike, Inc. Spacing for footwear ground-engaging member support features
US9220320B2 (en) 2011-09-16 2015-12-29 Nike, Inc. Sole arrangement with ground-engaging member support features
US9462845B2 (en) 2011-01-19 2016-10-11 Nike, Inc. Composite sole structure
EP2617312B1 (en) * 2008-03-20 2018-06-13 NIKE Innovate C.V. Cleat member for article of footwear
US20180206599A1 (en) * 2015-05-22 2018-07-26 Nike, Inc. Ground-Engaging Structures for Articles of Footwear
CN113784640A (en) * 2019-05-14 2021-12-10 瓦尔布拉姆股份公司 Traction lugs for footwear
US20230119317A1 (en) * 2020-04-08 2023-04-20 Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Re Multi-texture micro-mechanical actuation system for in situ friction control during human gait

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1827514A (en) * 1931-01-20 1931-10-13 Daniel J Golden Athletic shoe
US2185397A (en) * 1937-03-18 1940-01-02 Grover C Birchfield Athletic shoe cleat
US2509980A (en) * 1948-06-23 1950-05-30 Robert M Mccallum Shoe cleat
US3413737A (en) * 1967-09-11 1968-12-03 Hy Production Inc Football cleat
US3494055A (en) * 1968-07-25 1970-02-10 Willard Bradford Mcsorley Non-slip shoe
US3512275A (en) * 1968-04-01 1970-05-19 John L Leavitt Non-penetrating cleat arrangement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1827514A (en) * 1931-01-20 1931-10-13 Daniel J Golden Athletic shoe
US2185397A (en) * 1937-03-18 1940-01-02 Grover C Birchfield Athletic shoe cleat
US2509980A (en) * 1948-06-23 1950-05-30 Robert M Mccallum Shoe cleat
US3413737A (en) * 1967-09-11 1968-12-03 Hy Production Inc Football cleat
US3512275A (en) * 1968-04-01 1970-05-19 John L Leavitt Non-penetrating cleat arrangement
US3494055A (en) * 1968-07-25 1970-02-10 Willard Bradford Mcsorley Non-slip shoe

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4233759A (en) * 1979-02-07 1980-11-18 Adidas Sportschuhfabriken Adi Dassler Kg Outsoles for sports shoes, particularly for use on artificial grass
US6327797B1 (en) 1992-04-24 2001-12-11 Softspikes, Inc. Golf shoe spikes
GB2298563A (en) * 1992-04-24 1996-09-11 Softspikes Inc Removable golf shoe cleat
US6009640A (en) * 1992-04-24 2000-01-04 Softspikes, Inc. Golf shoe spikes
US6354021B1 (en) 1992-04-24 2002-03-12 Softspikes, Inc. Winter golf shoe spikes
US5505012A (en) * 1993-06-15 1996-04-09 Andrew S. Walker Directionally yieldable-cleat assembly
US5623774A (en) * 1995-02-15 1997-04-29 Greenspike, Inc. Stud for sport shoes
US6018893A (en) * 1997-04-03 2000-02-01 Adidas International B.V. Athletic shoe having notched cleats
US6012239A (en) * 1998-05-15 2000-01-11 Andrew W. Conway Replaceable traction device for footwear
US6647647B2 (en) * 2001-11-20 2003-11-18 Nike, Inc. Article of footwear with a ground-engaging member and method of altering a ground-engaging member
US20060130372A1 (en) * 2004-12-22 2006-06-22 Nike, Inc. Article of footwear with height adjustable cleat-member
US7430819B2 (en) 2004-12-22 2008-10-07 Nike, Inc. Article of footwear with height adjustable cleat-member
US20090211118A1 (en) * 2008-02-26 2009-08-27 Softspikes, Llc Traction Cleat for Field Sports
EP2617312B1 (en) * 2008-03-20 2018-06-13 NIKE Innovate C.V. Cleat member for article of footwear
US9549589B2 (en) 2011-01-19 2017-01-24 Nike, Inc. Composite sole structure
US9462845B2 (en) 2011-01-19 2016-10-11 Nike, Inc. Composite sole structure
CN103997924A (en) * 2011-09-16 2014-08-20 耐克国际有限公司 Article of footwear comprising oriented ground-engaging member support features
US8966787B2 (en) * 2011-09-16 2015-03-03 Nike, Inc. Orientations for footwear ground-engaging member support features
US10149515B2 (en) 2011-09-16 2018-12-11 Nike, Inc. Orientations for footwear ground-engaging member support features
US9138027B2 (en) 2011-09-16 2015-09-22 Nike, Inc. Spacing for footwear ground-engaging member support features
US9220320B2 (en) 2011-09-16 2015-12-29 Nike, Inc. Sole arrangement with ground-engaging member support features
US9456659B2 (en) 2011-09-16 2016-10-04 Nike, Inc. Shaped support features for footwear ground-engaging members
US10314368B2 (en) 2011-09-16 2019-06-11 Nike, Inc. Shaped support features for footwear ground-engaging members
US8806779B2 (en) 2011-09-16 2014-08-19 Nike, Inc. Shaped support features for footwear ground-engaging members
US10314369B2 (en) 2011-09-16 2019-06-11 Nike, Inc. Sole arrangement with ground-engaging member support features
US9930933B2 (en) 2011-09-16 2018-04-03 Nike, Inc. Shaped support features for footwear ground-engaging members
US20130067773A1 (en) * 2011-09-16 2013-03-21 Nike, Inc. Orientations For Footwear Ground-Engaging Member Support Features
US9032645B2 (en) * 2012-07-30 2015-05-19 Nike, Inc. Support features for footwear ground engaging members
US10104939B2 (en) 2012-07-30 2018-10-23 Nike, Inc. Support features for footwear ground engaging members
US9462852B2 (en) 2012-07-30 2016-10-11 Nike, Inc. Support features for footwear ground engaging members
US20140026441A1 (en) * 2012-07-30 2014-01-30 Nike, Inc. Support Features For Footwear Ground Engaging Members
US10863798B2 (en) 2012-07-30 2020-12-15 Nike, Inc. Support features for footwear ground engaging members
US20180206599A1 (en) * 2015-05-22 2018-07-26 Nike, Inc. Ground-Engaging Structures for Articles of Footwear
US10709196B2 (en) 2015-05-22 2020-07-14 Nike, Inc. Ground-engaging structures for article foot footwear
CN113784640A (en) * 2019-05-14 2021-12-10 瓦尔布拉姆股份公司 Traction lugs for footwear
US20230346081A1 (en) * 2019-05-14 2023-11-02 Vibram S.P.A. Traction lug for footwear
US20230119317A1 (en) * 2020-04-08 2023-04-20 Board Of Regents Of The Nevada System Of Higher Education, On Behalf Of The University Of Nevada, Re Multi-texture micro-mechanical actuation system for in situ friction control during human gait

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