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US3576266A Expired / Lapsed US ⏱️ 0.0 years remaining

Adjustable skidder arch

Assignee: Massey Ferguson Inc
•
Filing: 1968-09-13
•
Granted: 1971-04-27
•
Expires: 1988-09-13
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Abstract

Abstract A log skidder has an arch slideably mounted on an arcuate butt plate and includes means for fastening the arch to the butt plate in one of several selected positions to enable movement of the arch between raised and lowered operative positions.

Inventors

  • 👤 Allan J Widley

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 09:25
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/003; A01G23/006

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 68 words
In a log skidder having a frame, a winch mounted on the frame, and a logging arch, the improvement comprising: means mounting the arch on the frame for sliding movement between raised and lowered positions including an arcuate plate mounted on the frame and a mating plate mounted on the arch engaging the frame plate, and means for securing the arch to the frame in a selected position.
Claim 2
Dependent Claim 68 words
In a log skidder having a frame, a winch mounted on the frame, and a logging arch, the improvement comprising: means mounting the arch on the frame for sliding movement between raised and lowered positions including an arcuate plate mounted on the frame and a mating plate mounted on the arch engaging the frame plate, and means for securing the arch to the frame in a selected position.
Claim 3
Dependent Claim 35 words
The log skidder of claim 1 wherein the winch includes a cable, and the arch includes means for attaching the cable to the arch, whereby the winch is operable to move the arch between positions.
Claim 4
Dependent Claim 66 words
The log skidder of claim 1, wherein: the mounting means include a plurality of apertures formed in the frame and arch plates, an arch aperture being aligned with a frame aperture in each arch position, fastening means insertable within the aligned apertures to secure the arch to the frame in various positions, and abutment means for locating the arch in each position to align the apertures.
Claim 5
Dependent Claim 72 words
The log skidder of claim 3, wherein: the abutment means include one of the fastening means mounted in a plate aperture located adjacent an aperture corresponding to a selected arch position, and an abutment mounted on the arch, the said one fastening means abutting the arch abutment upon movement of the arch to the selected position, thereby aligning an arch aperture with a frame aperture to facilitate insertion of the fastening means.
Claim 6
Dependent Claim 22 words
The log skidder of claim 1, wherein: the mounting means include locating means for locating the arch in raised and lowered positions.
Claim 7
Dependent Claim 25 words
The log skidder of claim 5, wherein: the mounting means include means for guiding the sliding movement of the arch between raIsed and lowered positions.
Claim 8
Dependent Claim 29 words
The log skidder of claim 6, including rear fenders and wherein the guiding means include guide surfaces formed on the fenders, the arch plate sliding between said guide surfaces.
Claim 9
Dependent Claim 34 words
The log skidder of claim 5, wherein: the locating means include cooperating pairs of abutments mounted on the arch and on the frame for limiting movement of the arch to raised and lowered positions.

References Cited (Backward Citations)

US1388831A Cited
US1388830A Cited
GB578427A Cited
GB582030A Cited
US2541970A Cited
US2827715A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-04-26 1974-10-26 1975-04-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-04-26 1978-10-26 1979-04-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-04-26 1982-10-26 1983-04-27 $7700.00 Window Closed / Lapsed

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