US3840094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brake mechanism for skid steer vehicle
Assignee: Case LLC
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Filing: 1973-03-16
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Granted: 1974-10-08
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Expires: 1993-03-16
Abstract
Abstract This invention relates to a brake for a skid steer vehicle that includes a sprocket having sprocket teeth defining part of the drive chain between a power source and a wheel. The brake mechanism consists of a roller that is supported on a lever which is movable towards the sprocket wheel to have the roller engage the sprocket teeth. Releasable lock means hold the lever in an engaged position with the roller in engagement with the sprocket. The roller is movable relative to the lever by the dimension of approximately one-half the pitch of the sprocket teeth so that the roller can fully engage the recesses between adjacent sprocket teeth for any angular position of the sprocket wheel.
Inventors
- 👤 M Klee
- 👤 W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:48
CPC Classifications
B; B60; B60T; B60T1/00; B60T1/005; B62; B62D; B62D11/00; B62D11/02; B62D11/06; B62D11/08
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
118 words
In a vehicle having a body supported on wheels; drive means for said wheels, said drive means including at least one sprocket connected to a wheel, said sprocket having sprocket teeth on the periphery thereof; and brake means for said vehicle, said brake means including movable support means adjacent said sprocket; a roller; link means pivotally supporting said roller on said support means, said roller having a size equal to substantially the pitch of said sprocket teeth so that movement of said support means toward said sprocket wheel will cause said roller to engage said sprocket between adjacent sprocket teeth; and releasable lock means for retaining said support means to hold said roller in engagement with said teeth.
Claim 2
Dependent Claim
118 words
In a vehicle having a body supported on wheels; drive means for said wheels, said drive means including at least one sprocket connected to a wheel, said sprocket having sprocket teeth on the periphery thereof; and brake means for said vehicle, said brake means including movable support means adjacent said sprocket; a roller; link means pivotally supporting said roller on said support means, said roller having a size equal to substantially the pitch of said sprocket teeth so that movement of said support means toward said sprocket wheel will cause said roller to engage said sprocket between adjacent sprocket teeth; and releasable lock means for retaining said support means to hold said roller in engagement with said teeth.
Claim 3
Dependent Claim
49 words
A vehicle as defined in claim 1, in which said roller is supported on said support means for limited relative movement by a dimension of substantially one-half of the pitch of said sprocket teeth so that said roller may engage said teeth in any angular position of said sprocket.
Claim 4
Dependent Claim
31 words
A vehicle as defined in claim 2, in which said support means includes a lever pivoted on said body with biasing means normally biasing said lever to a first released position.
Claim 5
Dependent Claim
55 words
A vehicle as defined in claim 3, in which said body has two pairs of wheels respectively located on opposite sides thereof and in which at least one wheel on each side of said body has a sprocket connected thereto and in which the respective sprockets each have one of said brake means associated therewith.
Claim 6
Dependent Claim
24 words
A vehicle as defined in claim 4, further including means cooperating with said levers to simultaneously move said levers from said first released position.
Claim 7
Dependent Claim
78 words
A vehicle as defined in claim 2, in which said support means has a surface adjacent said roller and in which said link means includes a pair of links that extend beyond said surface and are freely pivoted on pivot pins carried by said lever, said links having a length greater than the spacing between said surface and said pins so that said surface acts as a stop to define the limits of relative movement of said roller.
Claim 8
Dependent Claim
141 words
In a vehicle having a body and wheels supporting said body, a disc cooperating with one wheel and having circumferentially spaced projections on the periphery thereof defining circumferentially spaced recesses on said disc; and brake means cooperating with said disc, said brake means including a support member, said support member being movable toward and away from the periphery of said disc, a link freely pivoted on said support member by a pin; a roller supported by said link for engaging the periphery of said disc during movement of said support member toward said disc, said roller being movable relative to said support member to engage and lock with the periphery of said disc in any angular position of said disc; and stop means on said support member defining the limits of pivotal movement of said link relative to said support member.
Claim 9
Dependent Claim
141 words
In a vehicle having a body and wheels supporting said body, a disc cooperating with one wheel and having circumferentially spaced projections on the periphery thereof defining circumferentially spaced recesses on said disc; and brake means cooperating with said disc, said brake means including a support member, said support member being movable toward and away from the periphery of said disc, a link freely pivoted on said support member by a pin; a roller supported by said link for engaging the periphery of said disc during movement of said support member toward said disc, said roller being movable relative to said support member to engage and lock with the periphery of said disc in any angular position of said disc; and stop means on said support member defining the limits of pivotal movement of said link relative to said support member.
Claim 10
Dependent Claim
24 words
A vehicle as defined in claim 7, in which adjacent pairs of projections define substantially cylindrical recesses and said roller engages with said recesses.
Claim 11
Dependent Claim
29 words
A vehicle as defined in claim 7, in which said support member has a surface between said roller and said pin which surface defines said stops for said roller.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-07 | 1978-04-08 | 1978-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-07 | 1982-04-08 | 1982-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-07 | 1986-04-08 | 1986-10-08 | $7700.00 | Window Closed / Lapsed |