Patent US4563019A successfully refreshed from Google Patents.
US4563019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch assembly for holding a front mounted implement in raised position
Assignee: Deere and Co
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Filing: 1983-12-22
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Granted: 1986-01-07
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Expires: 2003-12-22
Abstract
Abstract A vehicle has a forward end portion which extends above a portion of an implement mounted to the front of the vehicle by a pair of hydraulically controlled lift arms. A latch link is connected to one and has a hook engageable with the other of the vehicle forward end portion and the implement when the implement is in a raised, inoperative position.
Inventors
- 👤 John B. Kuhn
- 👤 Lloyd A. Wykhuis
- 👤 David K. Stricker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:17
CPC Classifications
A; A01; A01B; A01B59/00; A01B59/04; A01B59/048; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/64; A01D34/66; A01D34/661; A01D34/662; A01D2034/645; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
In a vehicle having an implement mounted to the forward end thereof by a pair of hitch arms hydraulically controlled for movement between raised and lowered positions with said vehicle having a forward end structure extending above said implement and defining an upright, transverse wall, the improvement comprising: a hold-up link, in the form of a rigid strap, pivotally mounted to a top structure of the implement for swinging about a horizontal transverse axis; said hold-up link having a hook provided at a free end thereof and hook engaging means in the form of a hole being provided in said wall for selectively releasably receiving said hook when the hitch arms are raised whereby the implement may be selectively retained in its raised position without need of hydraulic power.
Claim 2
Dependent Claim
129 words
In a vehicle having an implement mounted to the forward end thereof by a pair of hitch arms hydraulically controlled for movement between raised and lowered positions with said vehicle having a forward end structure extending above said implement and defining an upright, transverse wall, the improvement comprising: a hold-up link, in the form of a rigid strap, pivotally mounted to a top structure of the implement for swinging about a horizontal transverse axis; said hold-up link having a hook provided at a free end thereof and hook engaging means in the form of a hole being provided in said wall for selectively releasably receiving said hook when the hitch arms are raised whereby the implement may be selectively retained in its raised position without need of hydraulic power.
References Cited (Backward Citations)
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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) | 1989-01-06 | 1989-07-08 | 1990-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-01-06 | 1993-07-08 | 1994-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-01-06 | 1997-07-08 | 1998-01-07 | $7700.00 | Window Closed / Lapsed |