US3727709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snowmobile construction
Assignee: RUPP IND INC US
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Filing: 1971-09-27
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Granted: 1973-04-17
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Expires: 1991-09-27
Abstract
Abstract A structure for resiliently supporting the body of a snowmobile including an endless track, slides engaging the track and connected to the frame for limited arcuate movement and spring means controlling such arcuate movement.
Inventors
- 👤 N Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:59
CPC Classifications
B; B62; B62M; B62M27/00; B62M27/02; B62M2027/026
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
112 words
The combination with the frame of a vehicle having an endless track with a lower surface-engaging run, means to attach the track rotatably to the frame and means to propel the track, of a slide assembly engaging the inner side of the lower run of the track, means for connecting the slide assembly to the frame, said means including leaf spring means pivotally connected at one end to the frame and immovably connected at the other end to the forward portion of the slide assembly, and a lost motion connection between the frame and the rearward portion of the slide assembly and permitting limited relative movement of the slide assembly and frame.
Claim 2
Dependent Claim
112 words
The combination with the frame of a vehicle having an endless track with a lower surface-engaging run, means to attach the track rotatably to the frame and means to propel the track, of a slide assembly engaging the inner side of the lower run of the track, means for connecting the slide assembly to the frame, said means including leaf spring means pivotally connected at one end to the frame and immovably connected at the other end to the forward portion of the slide assembly, and a lost motion connection between the frame and the rearward portion of the slide assembly and permitting limited relative movement of the slide assembly and frame.
Claim 3
Dependent Claim
69 words
The combination of elements set forth in claim 1 in which the said means for connecting the frame and slide assembly includes a rigiD member pivotally connected at its forward end to said frame and by a lost motion connection to the rear portion of the slide assembly, and spring means engaging the frame and rigid member to urge the rear end of said member toward the slide assembly.
Claim 4
Dependent Claim
54 words
The combination of elements set forth in claim 2 in which said rigid member has rearwardly extending arms connected at their rear ends by a lost motion connection to the rear part of the slide, and coil springs pivotally connected to the frame and urging the rear ends of the arms toward the slide.
Claim 5
Dependent Claim
41 words
The combination of elements set forth in claim 1 in which wedges are positioned between the rear ends of the leaf springs and the shoes of the slide assembly for adjustably varying the position of the shoes relative to the frame.
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |