Patent US3762584A successfully refreshed from Google Patents.
US3762584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Log skidder
Assignee: Caterpillar Inc
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Filing: 1971-12-27
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Granted: 1973-10-02
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Expires: 1991-12-27
Abstract
Abstract A track-type log skidder comprises a winch assembly mounted on a forward end thereof and a frame assembly extending from the winch assembly and terminating at a fairlead guide assembly positioned at a rearward end of the skidder. A cable carried by the winch assembly extends rearwardly through a cable track mounted on the frame assembly and through the fairlead guide assembly.
Inventors
- 👤 R Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:26
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/36; B66D2700/00; B66D2700/01; B66D2700/0183; B66D2700/0191
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
142 words
A log skidder disposed on a longitudinal axis thereof comprising a tractor, a winch assembly mounted on a forward end of said tractor and having a cable wrapped thereon, a frame assembly mounted on said tractor to extend over and vertically above said tractor from said winch assembly to a rearward end of said tractor, a track assembly secured on said frame assembly to accommodate said cable thereon, including longitudinally spaced roller means and means on said track assembly for preventing said cable from jumping-out of said track assembly during cable payout or pay-in, a fairlead guide assembly attached to said frame assembly at the rearward end of said tractor, said fairlead guide assembly positioned on said tractor to receive and locate the free end of said cable rearwardly thereof, and A bulldozer assembly mounted on a forward end of said tractor.
Claim 2
Dependent Claim
142 words
A log skidder disposed on a longitudinal axis thereof comprising a tractor, a winch assembly mounted on a forward end of said tractor and having a cable wrapped thereon, a frame assembly mounted on said tractor to extend over and vertically above said tractor from said winch assembly to a rearward end of said tractor, a track assembly secured on said frame assembly to accommodate said cable thereon, including longitudinally spaced roller means and means on said track assembly for preventing said cable from jumping-out of said track assembly during cable payout or pay-in, a fairlead guide assembly attached to said frame assembly at the rearward end of said tractor, said fairlead guide assembly positioned on said tractor to receive and locate the free end of said cable rearwardly thereof, and A bulldozer assembly mounted on a forward end of said tractor.
Claim 3
Dependent Claim
36 words
The invention of claim 1 wherein said frame assembly comprises longitudinally extending tubular members connected to the forward and rearward ends of said tractor, said track assembly secured on said frame assembly between said tubular members.
Claim 4
Dependent Claim
41 words
The invention of claim 2 wherein said frame assembly further comprises a pair of vertically disposed members, positioned on opposite sides of said tractor longitudinally intermediate the forward and rearward ends thereof, secured to said tractor and said longitudinally extending members.
Claim 5
Dependent Claim
23 words
The invention of claim 2 wherein said frame assembly further comprises a plurality of transversely disposed members secured between said longitudinally extending members.
Claim 6
Dependent Claim
38 words
The invention of claim 2 wherein said track assembly comprises a pair of longitudinally extending rails having a plurality of longitudinally spaced and horizontally disposed rollers and crossbars secured therebetween in underlying and supporting relationship with said cable.
Claim 7
Dependent Claim
30 words
The invention of claim 5 wherein said track assembly further comprises a plurality of longitudinally spaced U-shaped bars secured between said rails in overlying relationship with respect to said cable.
Claim 8
Dependent Claim
36 words
The invention of claim 2 wherein said fairlead guide assembly comprises a pair of vertically disposed rollers and a pair of closely adjacent horizontally disposed rollers all forming a box-like configuration fully entrapping said cable therebetween.
Claim 9
Dependent Claim
34 words
The invention of claim 2 further comprising an operator''s cab positioned at the rearward end of said tractor and a cover plate secured between said longitudinally extending members to fully cover said operator''s cab.
Claim 10
Dependent Claim
24 words
The invention of claim 8 further comprising a screen secured between said longitudinally extending members to fully protect a rearside of said operator''s cab.
Claim 11
Dependent Claim
22 words
The invention of claim 1 wherein the center of gravity of said log skidder is located approximately at the longitudinal center thereof.
References Cited (Backward Citations)
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US2643092A
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US2691451A
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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) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |