US4088334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Skateboard brake
Assignee: Individual
•
Filing: 1977-03-25
•
Granted: 1978-05-09
•
Expires: 1997-03-25
Abstract
Abstract A brake is provided which is completely separate from the ground wheels of the skateboard. A ground engaging brake wheel is swingably supported relative to the skateboard so that it may be swung into rolling engagement with the ground and with the braking surface. The brake may be cantilevered from the rear end of the skateboard or may be positioned centrally of the skateboard between the two pairs of ground wheels.
Inventors
- 👤 Elmer E. Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:32
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/14; A63C17/1445; A63C17/01; A63C2017/1463
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
108 words
In a skateboard having an elongated body and ground wheels, a brake for said skateboard comprising: a first lever swingably secured to said body and provided with a braking surface, a second lever swingable relative to said first lever, a ground engaging brake wheel separate from said ground wheels and rotatably mounted on said second lever, spring means urging said first lever upwardly, and means interposed between said levers for holding said brake wheel out of engagement with the ground whereby when the first lever is urged downwardly against the urgency of said spring means, said brake wheel engages the ground and said braking surface engages the wheel.
Claim 2
Dependent Claim
108 words
In a skateboard having an elongated body and ground wheels, a brake for said skateboard comprising: a first lever swingably secured to said body and provided with a braking surface, a second lever swingable relative to said first lever, a ground engaging brake wheel separate from said ground wheels and rotatably mounted on said second lever, spring means urging said first lever upwardly, and means interposed between said levers for holding said brake wheel out of engagement with the ground whereby when the first lever is urged downwardly against the urgency of said spring means, said brake wheel engages the ground and said braking surface engages the wheel.
Claim 3
Dependent Claim
39 words
A skateboard brake according to claim 1 wherein said interposed means includes a stop for limiting the movement of said second lever away from said first lever to limit the spacing between said brake wheel and said braking surface.
Claim 4
Dependent Claim
20 words
A skateboard brake according to claim 2 wherein additional spring means urges said second lever away from said first lever.
Claim 5
Dependent Claim
27 words
A skateboard brake according to claim 3 wherein adjusting means is provided cooperating with said additional spring means for adjusting the force of said additional spring means.
Claim 6
Dependent Claim
29 words
A skateboard brake according to claim 2 wherein said stop comprises an adjusting screw in threaded engagement with one of said levers for adjusting the spacing between said levers.
Claim 7
Dependent Claim
16 words
A skateboard brake according to claim 1 wherein said levers are swingable on a common pivot.
Claim 8
Dependent Claim
25 words
A skateboard brake according to claim 6 wherein said common pivot is swingably mounted for swinging about a horizontal axis extending longitudinally of said body.
Claim 9
Dependent Claim
19 words
A skateboard brake according to claim 1 wherein said levers extend rearwardly of the trailing end of said body.
Claim 10
Dependent Claim
26 words
A skateboard brake according to claim 1 wherein said ground wheels are on two trucks supporting said body, and said brake is interposed between said trucks.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-05-08 | 1981-11-07 | 1982-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-05-08 | 1985-11-07 | 1986-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-05-08 | 1989-11-07 | 1990-05-09 | $7700.00 | Window Closed / Lapsed |