US3860079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knee-action device for snow vehicles
Assignee: Individual
•
Filing: 1973-09-10
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Granted: 1975-01-14
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Expires: 1993-09-10
Abstract
Abstract This device consist primarily of a plate which attaches to the ski of a snowmobile, the plate having lugs to which are attached a shock-absorber assembly used pivotable link members, a pair of the link members having an end formed, so as to abut with the plate so as to prevent the ski from dipping forward when hurdling an object.
Inventors
- 👤 Elmer Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 15:41
CPC Classifications
B; B62; B62M; B62M27/00; B62M27/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
184 words
A knee-action device for a snow mobile or snow vehicle, comprising a plate secured to a ski of said vehicle, a plurality of lugs carried by said plate with bolt and nut fastener means securing said lugs to a plurality of links, pivotally carried upon a bracket of said vehicle and pivotally securing a shock absorber assembly to said device, one pair of said lugs being parallel spaced apart and pivotally carrying a rod portion of said shock absorber, said rod portion receiving a bolt fastener which serves and secures said shock absorber assembly at one end to said lugs by nut fastener means, and the opposite end of said shock absorber pivotably carrying a bolt fastener secured between a two sided link which includes an angularly cut end for abutment with said plate and said end of said shock absorber assembly also carrying a two sided link which is pivotably secured to a bracket secured fixedly to said body of said vehicle, said links being secured to said shock absrober assembly and said lugs and bracket by bolt fastener and nut fastener means.
Claim 2
Dependent Claim
184 words
A knee-action device for a snow mobile or snow vehicle, comprising a plate secured to a ski of said vehicle, a plurality of lugs carried by said plate with bolt and nut fastener means securing said lugs to a plurality of links, pivotally carried upon a bracket of said vehicle and pivotally securing a shock absorber assembly to said device, one pair of said lugs being parallel spaced apart and pivotally carrying a rod portion of said shock absorber, said rod portion receiving a bolt fastener which serves and secures said shock absorber assembly at one end to said lugs by nut fastener means, and the opposite end of said shock absorber pivotably carrying a bolt fastener secured between a two sided link which includes an angularly cut end for abutment with said plate and said end of said shock absorber assembly also carrying a two sided link which is pivotably secured to a bracket secured fixedly to said body of said vehicle, said links being secured to said shock absrober assembly and said lugs and bracket by bolt fastener and nut fastener means.
Claim 3
Dependent Claim
109 words
The combination according to claim 1, wherein A two sided link having cross bar means there between, is also secured pivotably to said bracket at one end and is pivotably secured to a pair of lugs of said plate at the opposite end, said link being fastened thereto, by means of bolt and nut fastener means and the combination of said links having the ends cut at an angle, serve as stop means against said plate so as to prevent said ski from dipping downwards after hitting an obstacle, the arrangement acting in conjunction with the drive track and wheel assembly which carry a plurality of pivotable toggle members.
Claim 4
Dependent Claim
53 words
The combination according to claim 2, wherein said toggle members are secured pivotably at one end to the wheels within the track of said vehicle and are secured pivotably at the oposite end, to bracket means secured to the body of said vehicle, said springs being attached to said toggles and said wheels.
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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |