US20230390598A1 - Connecting straps for sports activities - Google Patents
Connecting straps for sports activities Download PDFInfo
- Publication number
- US20230390598A1 US20230390598A1 US18/449,673 US202318449673A US2023390598A1 US 20230390598 A1 US20230390598 A1 US 20230390598A1 US 202318449673 A US202318449673 A US 202318449673A US 2023390598 A1 US2023390598 A1 US 2023390598A1
- Authority
- US
- United States
- Prior art keywords
- band
- loop
- webbing
- connecting strap
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 title abstract description 5
- 239000013013 elastic material Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 abstract description 3
- 239000004677 Nylon Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
- A63B21/0552—Elastic ropes or bands
- A63B21/0555—Details of the rope or band, e.g. shape or colour coding
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/055—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters extension element type
- A63B21/0552—Elastic ropes or bands
- A63B21/0557—Details of attachments, e.g. clips or clamps
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/28—Devices for two persons operating in opposition or in cooperation
- A63B21/285—Devices for two persons operating in opposition or in cooperation in cooperation
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B69/00—Training appliances or apparatus for special sports
- A63B69/16—Training appliances or apparatus for special sports for cycling, i.e. arrangements on or for real bicycles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
- A63B21/02—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters
- A63B21/04—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices using resilient force-resisters attached to static foundation, e.g. a user
- A63B21/0407—Anchored at two end points, e.g. installed within an apparatus
Definitions
- any type of connecting strap be strong enough to avoid failure due to the forces that will be encountered, not dangle onto the ground or into a bicyclist's wheel, and not jerk either user during use.
- the present disclosure pertains to connecting straps, and in particular to straps for connecting two persons taking part in a sports activity, or in some cases a person and an object to be towed.
- the disclosure features a connecting strap that includes (a) a sleeve of webbing having a first end and a second end and having a loop at each end, each loop having a base and a free end, (b) disposed within the sleeve of webbing, a band of elastic material extending in a continuous loop, and (c) an attachment strap, adjacent each loop, configured to secure a portion of the band to the webbing at the base of each loop.
- connection strap includes one or more of the following features.
- the band may have a solid, polygonal cross-sectional shape.
- the cross-sectional shape of the band may be, for example, square or rectangular.
- the attachment strap may be formed of polyester or nylon. In some cases, the attachment strap will bunch up when tension is released from the elastic band causing the elastic band to draw it together.
- the attachment strap has two ends, and preferably is looped through the band and secured by stitching both ends of the attachment strap to the webbing. In some cases, each loop is formed by doubling a free end of the sleeve back and securing the free end in place with the same stitching that secures the ends of the attachment strap to the webbing, thereby forming the base of the loop with one continuous piece of webbing.
- the webbing sleeve is configured for a maximum elongation of 4:1 and the band is configured for a maximum elongation of 7:1.
- the band may be formed of a natural rubber or thermoplastic elastomer, for example, of dipped natural latex. In some cases, the band is configured to pull no more than 18 pounds of weight, for example, no more than 15 pounds of weight, before the webbing sleeve engages and takes the load.
- the webbing sleeve is configured to prevent the rubber from being over stretched as well as protecting the rubber from UV damage.
- the band may, for example, have a length of from about 40 to 50 inches when in a relaxed (unstretched) condition. At full extension the length of the band can reach about 160 to 200 inches.
- the webbing sleeve may be formed of polypropylene or nylon.
- the present disclosure features methods of utilizing the connecting straps disclosed herein to tow a person or object while engaging in a sports activity.
- the person who is doing the towing may attached the connecting strap to his or her body (e.g., around the waist) or to a bicycle or other article of sports equipment being used by the person towing.
- the other end of the connecting strap is attached to the person or item to be towed.
- FIG. 1 is a perspective view of a pair of users using a connecting strap according to one implementation while bicycling.
- FIG. 2 is a perspective view of a connecting strap according to one implementation, in a relaxed condition.
- FIG. 3 is an enlarged, partially cut-away perspective view showing the connection between the band, attachment strap and webbing sleeve.
- FIG. 4 is a perspective view of the band, with the webbing sleeve shown in phantom lines.
- the attachment straps are omitted in FIG. 4 for clarity.
- FIG. 4 A is a cross-sectional view of the band taken along line 4 A- 4 A in FIG. 4
- FIG. 5 is side view of the connecting strap in a fully relaxed (unstretched) condition.
- FIG. 6 is a side view of the connecting strap in a fully extended (stretched) condition, in which the webbing prevents over-stretching of the band.
- a connecting strap 10 is used to allow a pair of users 12 , 14 of different abilities to bicycle together.
- a loop 16 A at a first end of the connecting strap is girth hitched around the stem of the bike of user 14
- a loop 16 B at the opposite end of the connecting strap is slipped over the saddle of the bicycle of user 12 such that it is looped around the seat post of user 12 .
- This arrangement securely attaches the connecting strap at both ends and allows quick and easy attachment and removal.
- loops 16 A and 16 B be large enough to allow this type of attachment; however, if smaller loops are provided attachment can be by other means, e.g., a locking carabiner threaded through the loop.
- the loop has a length, when flattened against a surface, of from about 3 to 6 inches.
- the connecting strap 10 includes an outer sleeve 18 of webbing material which may be formed, for example, of woven polypropylene or Nylon. As shown in FIG. 4 , a continuous band of elastic material 20 is disposed within the sleeve 18 .
- the webbing material itself is substantially inextensible, but the sleeve is bunched up relative to the inner elastic band 20 during manufacture so that the sleeve can be extended to a much greater length by pulling on the opposite loops.
- the ratio between the length L 1 of the sleeve in the fully relaxed (bunched up) state ( FIG. 5 ) and the length L 2 in the fully extended state ( FIG. 6 ) may be from about 1:3 to 1:4 (a stretch ratio of 3:1 to 4:1).
- the use of webbing in this bunched up arrangement around an elastic core is well known in the dog leash art.
- L 1 may be, for example, about 45 to 65 inches
- L 2 may be from about 160 to 200 inches.
- the inner band 20 is formed of a natural or synthetic rubber material that has greater extensibility than the sleeve.
- the band may have a length L 1 in its unstretched condition of from about 40 to 50 inches (L 1 being the length of the loop measured as shown in FIG. 4 , not the total length of the material forming the loop.) At full extension the band may have a length L 2 of about 160 to 200 inches.
- the elasticity of the band may be such that the band could, if not inhibited by the sleeve, stretch to at least 4 times its relaxed length, i.e., have a stretch ratio of at least 4:1.
- the band can stretch to 6 or more times its relaxed length, e.g., the band may have a stretch ratio of greater than 6:1 or even 7:1 or more. Because the band is not fully stretched when further stretching is stopped by full extension of the sleeve 18 there is a safety factor to prevent inadvertent breaking of the band during use. It is preferred for many applications that the webbing forming the sleeve have a tensile strength of at least 1000 lbs., preferably at least 1500 lbs.
- the band is preferably configured such that it pulls no more than 18 pounds, and in some implementations, no more than 15 pounds (for example, between 13 and 18 pounds) at the point at which it is fully extended to length L 2 (at which point the webbing sleeve takes any additional load.)
- the band 20 has a square cross-section, and is solid rather than hollow. However, other cross-sectional shapes can be used, as well as hollow tubing. It is preferred, however, that the band be a continuous loop, as shown, rather than a length of material the ends of which are glued or tied together. The use of a continuous band contributes to the strength and durability of the connecting strap.
- the band is secured within the sleeve at two attachment points, corresponding to the locations of the bases of the two loops 16 A, 16 B.
- an attachment strap 22 is looped around the band 20 and is secured in place by stitching (bar tack 24 ) that extends through the free end 26 and standing end 28 of the webbing at the base of the loop 16 B.
- the attachment strap is formed of a material selected to not cut through or abrade the material of the band under normal conditions of use. For example, one suitable material is woven polyester.
- the width of the strap is selected to be sufficient to allow a secure attachment via the bar tack, without being so wide that it cannot be threaded through the loop of the band within the sleeve, while the length is selected to allow both ends to be securely stitched through by the bar tack.
- the connecting straps described herein have features that provide enhanced safety.
- the straps tend to smoothly elongate under tension, rather than jerking the user who is being towed.
- the connecting strap can be subjected to relatively high forces, and suddenly applied forces, without danger of the inner band failing.
- the connecting strap can be used in a wide variety of applications, in addition to the cycling application discussed above.
- the two users may be on skis, paddleboards, skates, e-bikes, or other types of sports equipment, or the users can be running, hiking or walking.
- the connecting strap can be used to provide braking during downhill travel, in which case the stronger user would be behind the weaker.
- the connecting strap can also be used as a dog leash, or when skijoring or bike-joring.
- the connecting strap can be used to pull an inanimate object when it is desired to not have a jerky connection, for example when skiing with a sled or pulk.
- the band may have a rectangular cross-section, or a non-polygonal cross-section, e.g., round or oval.
- one or both of the loops may be longer, or of adjustable length, or may include a hook to allow the loop to be unfastened for positioning around a user's waist or a large object.
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biophysics (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Abstract
Connecting straps, for use for example in sports activities, include (a) a sleeve of webbing having a first end and a second end and having a loop at each end, each loop having a base and a free end, (b) disposed within the sleeve of webbing, a band of elastic material extending in a continuous loop, and (c) an attachment strap, adjacent each loop, configured to secure a portion of the band to the webbing at the base of each loop. In some cases, the band has a solid, polygonal cross-sectional shape.
Description
- This application claims priority from U.S. Provisional Application Ser. No. 62/864,757, filed on Jun. 21, 2019, the entire disclosure of which is incorporated herein by reference.
- When two participants of unequal strength or ability, for example an adult and child, bicycle or ski together it can be difficult or even impossible for them to both maintain the same speed. In some cases, such as bicycling uphill, the less proficient participant will fall behind, while in other cases, such as downhill skiing, the less proficient participant may end up unintentionally going too fast and potentially losing control. Thus, for safety and enjoyability of the activity it can be desirable to provide a way to join the two participants together.
- However, it is important from a safety standpoint that any type of connecting strap be strong enough to avoid failure due to the forces that will be encountered, not dangle onto the ground or into a bicyclist's wheel, and not jerk either user during use.
- The present disclosure pertains to connecting straps, and in particular to straps for connecting two persons taking part in a sports activity, or in some cases a person and an object to be towed.
- In one aspect, the disclosure features a connecting strap that includes (a) a sleeve of webbing having a first end and a second end and having a loop at each end, each loop having a base and a free end, (b) disposed within the sleeve of webbing, a band of elastic material extending in a continuous loop, and (c) an attachment strap, adjacent each loop, configured to secure a portion of the band to the webbing at the base of each loop.
- Some implementations of the connecting strap include one or more of the following features.
- The band may have a solid, polygonal cross-sectional shape. The cross-sectional shape of the band may be, for example, square or rectangular.
- The attachment strap may be formed of polyester or nylon. In some cases, the attachment strap will bunch up when tension is released from the elastic band causing the elastic band to draw it together. The attachment strap has two ends, and preferably is looped through the band and secured by stitching both ends of the attachment strap to the webbing. In some cases, each loop is formed by doubling a free end of the sleeve back and securing the free end in place with the same stitching that secures the ends of the attachment strap to the webbing, thereby forming the base of the loop with one continuous piece of webbing.
- In some implementations, the webbing sleeve is configured for a maximum elongation of 4:1 and the band is configured for a maximum elongation of 7:1. The band may be formed of a natural rubber or thermoplastic elastomer, for example, of dipped natural latex. In some cases, the band is configured to pull no more than 18 pounds of weight, for example, no more than 15 pounds of weight, before the webbing sleeve engages and takes the load. The webbing sleeve is configured to prevent the rubber from being over stretched as well as protecting the rubber from UV damage. The band may, for example, have a length of from about 40 to 50 inches when in a relaxed (unstretched) condition. At full extension the length of the band can reach about 160 to 200 inches. The webbing sleeve may be formed of polypropylene or nylon.
- In another aspect, the present disclosure features methods of utilizing the connecting straps disclosed herein to tow a person or object while engaging in a sports activity. The person who is doing the towing may attached the connecting strap to his or her body (e.g., around the waist) or to a bicycle or other article of sports equipment being used by the person towing. The other end of the connecting strap is attached to the person or item to be towed.
-
FIG. 1 is a perspective view of a pair of users using a connecting strap according to one implementation while bicycling. -
FIG. 2 is a perspective view of a connecting strap according to one implementation, in a relaxed condition. -
FIG. 3 is an enlarged, partially cut-away perspective view showing the connection between the band, attachment strap and webbing sleeve. -
FIG. 4 is a perspective view of the band, with the webbing sleeve shown in phantom lines. The attachment straps are omitted inFIG. 4 for clarity. -
FIG. 4A is a cross-sectional view of the band taken alongline 4A-4A inFIG. 4 -
FIG. 5 is side view of the connecting strap in a fully relaxed (unstretched) condition. -
FIG. 6 is a side view of the connecting strap in a fully extended (stretched) condition, in which the webbing prevents over-stretching of the band. - Referring to
FIG. 1 , a connectingstrap 10 is used to allow a pair ofusers strap 10; other uses will be discussed below. In this example, aloop 16A at a first end of the connecting strap is girth hitched around the stem of the bike ofuser 14, while aloop 16B at the opposite end of the connecting strap is slipped over the saddle of the bicycle ofuser 12 such that it is looped around the seat post ofuser 12. This arrangement securely attaches the connecting strap at both ends and allows quick and easy attachment and removal. It is generally preferred thatloops - Referring now to
FIG. 2 andFIGS. 5-6 , the connectingstrap 10 includes anouter sleeve 18 of webbing material which may be formed, for example, of woven polypropylene or Nylon. As shown inFIG. 4 , a continuous band ofelastic material 20 is disposed within thesleeve 18. - The webbing material itself is substantially inextensible, but the sleeve is bunched up relative to the inner
elastic band 20 during manufacture so that the sleeve can be extended to a much greater length by pulling on the opposite loops. For example, the ratio between the length L1 of the sleeve in the fully relaxed (bunched up) state (FIG. 5 ) and the length L2 in the fully extended state (FIG. 6 ) may be from about 1:3 to 1:4 (a stretch ratio of 3:1 to 4:1). The use of webbing in this bunched up arrangement around an elastic core is well known in the dog leash art. L1 may be, for example, about 45 to 65 inches, and L2 may be from about 160 to 200 inches. - The
inner band 20 is formed of a natural or synthetic rubber material that has greater extensibility than the sleeve. The band may have a length L1 in its unstretched condition of from about 40 to 50 inches (L1 being the length of the loop measured as shown inFIG. 4 , not the total length of the material forming the loop.) At full extension the band may have a length L2 of about 160 to 200 inches. Thus, for example, the elasticity of the band may be such that the band could, if not inhibited by the sleeve, stretch to at least 4 times its relaxed length, i.e., have a stretch ratio of at least 4:1. In some implementations, the band can stretch to 6 or more times its relaxed length, e.g., the band may have a stretch ratio of greater than 6:1 or even 7:1 or more. Because the band is not fully stretched when further stretching is stopped by full extension of thesleeve 18 there is a safety factor to prevent inadvertent breaking of the band during use. It is preferred for many applications that the webbing forming the sleeve have a tensile strength of at least 1000 lbs., preferably at least 1500 lbs. - The band is preferably configured such that it pulls no more than 18 pounds, and in some implementations, no more than 15 pounds (for example, between 13 and 18 pounds) at the point at which it is fully extended to length L2 (at which point the webbing sleeve takes any additional load.)
- As shown in
FIG. 4A , theband 20 has a square cross-section, and is solid rather than hollow. However, other cross-sectional shapes can be used, as well as hollow tubing. It is preferred, however, that the band be a continuous loop, as shown, rather than a length of material the ends of which are glued or tied together. The use of a continuous band contributes to the strength and durability of the connecting strap. - The band is secured within the sleeve at two attachment points, corresponding to the locations of the bases of the two
loops FIG. 3 , anattachment strap 22 is looped around theband 20 and is secured in place by stitching (bar tack 24) that extends through thefree end 26 and standingend 28 of the webbing at the base of theloop 16B. The attachment strap is formed of a material selected to not cut through or abrade the material of the band under normal conditions of use. For example, one suitable material is woven polyester. - The width of the strap is selected to be sufficient to allow a secure attachment via the bar tack, without being so wide that it cannot be threaded through the loop of the band within the sleeve, while the length is selected to allow both ends to be securely stitched through by the bar tack.
- Advantageously, the connecting straps described herein have features that provide enhanced safety. For example, the straps tend to smoothly elongate under tension, rather than jerking the user who is being towed. In this regard, it is generally preferred that the webbing sleeve have a small amount of elasticity in order to smooth the transition when the webbing sleeve takes the load at full elongation of the band.
- Moreover, due to the protection provided by the sleeve and the robust nature of the band, the connecting strap can be subjected to relatively high forces, and suddenly applied forces, without danger of the inner band failing.
- The connecting strap can be used in a wide variety of applications, in addition to the cycling application discussed above. For example, the two users may be on skis, paddleboards, skates, e-bikes, or other types of sports equipment, or the users can be running, hiking or walking. Rather than assisting with uphill or flat travel, the connecting strap can be used to provide braking during downhill travel, in which case the stronger user would be behind the weaker. The connecting strap can also be used as a dog leash, or when skijoring or bike-joring. In addition, the connecting strap can be used to pull an inanimate object when it is desired to not have a jerky connection, for example when skiing with a sled or pulk.
- In other embodiments, the band may have a rectangular cross-section, or a non-polygonal cross-section, e.g., round or oval.
- In some cases, one or both of the loops may be longer, or of adjustable length, or may include a hook to allow the loop to be unfastened for positioning around a user's waist or a large object.
- Accordingly, other embodiments are within the scope of the following claims.
Claims (11)
1. A connecting strap comprising:
a webbing sleeve having a first end and a second end and having a loop at each end, each loop having a base and a free end,
disposed within the webbing sleeve, a band of elastic material extending in a continuous loop, and
an attachment strap, adjacent each loop, configured to secure a portion of the band to the webbing at the base of each loop.
2. The connecting strap of claim 1 wherein each attachment strap has two ends and is looped through the band and secured by stitching both ends of the attachment strap to the webbing.
3. The connecting strap of claim 2 wherein each loop is formed by doubling a free end of the sleeve back and securing the free end in place with the stitching that secures the ends of the attachment strap to the webbing sleeve, thereby forming the base of the loop.
4. The connecting strap of claim 1 wherein the webbing sleeve is configured for a maximum elongation of from 3:1 to 4:1.
5. The connecting strap of claim 4 wherein the band is configured to have a stretch ratio of at least 4:1.
6. The connecting strap of claim 5 wherein the band is configured to have a stretch ratio of at least 7:1.
7. The connecting strap of claim 5 wherein the band is configured such that it pulls no more than 18 pounds at its maximum elongation.
8. The connecting strap of claim 7 wherein the band is configured such that it pulls no more than 15 points at its maximum elongation.
9. The connecting strap of claim 7 wherein the webbing sleeve is configured to take any additional load once the band reaches maximum elongation.
10. The connecting strap of claim 5 wherein the band has a length of from about 40 to 50 inches when in a fully relaxed (unstretched) condition.
12. The connecting strap of claim 1 wherein the webbing sleeve is formed of a substantially inextensible material.
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US18/449,673 US20230390598A1 (en) | 2019-06-21 | 2023-08-14 | Connecting straps for sports activities |
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US201962864757P | 2019-06-21 | 2019-06-21 | |
US16/946,058 US11724148B2 (en) | 2019-06-21 | 2020-06-04 | Connecting straps for sports activities |
US18/449,673 US20230390598A1 (en) | 2019-06-21 | 2023-08-14 | Connecting straps for sports activities |
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USD945945S1 (en) * | 2021-01-19 | 2022-03-15 | Xiaobin Hu | Rope for marine use |
WO2022200317A1 (en) * | 2021-03-24 | 2022-09-29 | Hanl Simon | Tow element and method for towing a bicycle with a tow lift |
USD953962S1 (en) * | 2021-06-18 | 2022-06-07 | Mianyang Huike Superior Co., Ltd. | Boat tow harness |
USD962147S1 (en) * | 2021-06-22 | 2022-08-30 | Liwei Zhang | Port wrap eye sling |
US20230293928A1 (en) * | 2022-03-17 | 2023-09-21 | Flo Fitness LLC | Fitness device |
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2021
- 2021-05-12 US US17/318,548 patent/US11167164B2/en active Active
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2023
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US20200398099A1 (en) | 2020-12-24 |
US20210260427A1 (en) | 2021-08-26 |
US11724148B2 (en) | 2023-08-15 |
US11167164B2 (en) | 2021-11-09 |
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