Patent US3929104A successfully refreshed from Google Patents.
US3929104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Livestock unloading and treating trailer assembly
Assignee: Individual
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Filing: 1974-04-01
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Granted: 1975-12-30
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Expires: 1994-04-01
Abstract
Abstract A livestock unloading and treating trailer assembly comprising a ramp having an inclined floor and having sidewalls, access openings in one or more of the sidewalls to permit treatment personnel to enter behind an animal which latter is at the lower end of the ramp with its head secured in a headgate, and an outer support with respect to which the ramp is adjustable to different inclinations.
Inventors
- 👤 Dean L Corbin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:28
CPC Classifications
A; A01; A01K; A01K1/00; A01K1/06; A01K1/0613
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
266 words
A livestock trailer for loading, unloading and treating livestock comprising an elongated ramp, right and left wheel means disposed on right and left sides of said ramp as seen from the top, said wheel means having surfaces suitable for engaging public roads for road travel of said trailer, means connecting said wheel means to said ramp whereby said ramp can be transported on said wheel means, said ramp having a floor having an elongated upper surface, said ramp having its upper surface placeable in a certain position downwardly inclining from one of its ends to its other end, said inclination being when said ramp is in said certain position at an acute angle with respect to the horizontal, said ramp upper surface having a length of at least 11 feet, right and left side wall means attached respectively to said ramp at right and left sides of said upper surface and extending upwardly from said upper surface, when said ramp is in said certain position at least one of said sidewall means having in its upper half an access opening therethrough alongside said inclined ramp surface, access door means openably closing said access opening, said access opening being of a size permitting treatment personnel to pass therethrough for access to said floor so as to be able to stand on said floor to treat an animal standing on said ramp, an openable headgate assembly in upright position at the lower end of said ramp for receiving the neck of an animal standing on said floor, means attaching said headgate assembly to one of sAid sidewall means.
Claim 2
Dependent Claim
266 words
A livestock trailer for loading, unloading and treating livestock comprising an elongated ramp, right and left wheel means disposed on right and left sides of said ramp as seen from the top, said wheel means having surfaces suitable for engaging public roads for road travel of said trailer, means connecting said wheel means to said ramp whereby said ramp can be transported on said wheel means, said ramp having a floor having an elongated upper surface, said ramp having its upper surface placeable in a certain position downwardly inclining from one of its ends to its other end, said inclination being when said ramp is in said certain position at an acute angle with respect to the horizontal, said ramp upper surface having a length of at least 11 feet, right and left side wall means attached respectively to said ramp at right and left sides of said upper surface and extending upwardly from said upper surface, when said ramp is in said certain position at least one of said sidewall means having in its upper half an access opening therethrough alongside said inclined ramp surface, access door means openably closing said access opening, said access opening being of a size permitting treatment personnel to pass therethrough for access to said floor so as to be able to stand on said floor to treat an animal standing on said ramp, an openable headgate assembly in upright position at the lower end of said ramp for receiving the neck of an animal standing on said floor, means attaching said headgate assembly to one of sAid sidewall means.
Claim 3
Dependent Claim
147 words
The livestock trailer of claim 1 further having a support frame having lowermost portions disposed in a horizontal plane and restable on a horizontal supporting surface at times when said ramp floor surface is inclined with respect to the horizontal, said support frame comprising two pairs of posts at opposite ends of said ramp respectively, each of said pairs of posts comprising one post on each side of said elongated ramp, said support frame having means slidably supporting the lower end of said ramp in a manner permitting said ramp to move endwise of itself and also to move with respect to said outer support frame so that said ramp while remaining in said outer support frame can be moved to a selected one of various inclinations with respect to said outer support frame while the upper end of said ramp floor remains in a vertical plane.
Claim 4
Dependent Claim
54 words
The livestock trailer of claim 2 further comprising a track assembly mounted on said posts, and track follower means attached to said ramp and following in each of said tracks, whereby said tracks guide upward movement of said upper end of said ramp in a vertical plane during said endwise movement of said ramp.
Claim 5
Dependent Claim
42 words
The livestock trailer of claim 3 in which said track assembly and said track follower means are disposed at both ends of said chute assembly whereby either end of said ramp can be raised and lowered with respect to said support frame.
Claim 6
Dependent Claim
29 words
The livestock trailer of claim 1 further comprising a second access opening in the other of said sidewall means so personnel can go through both of said sidewall means.
Claim 7
Dependent Claim
50 words
The livestock trailer of claim 1 further comprising said wheel means being retractably and movably mounted on said support frame and being movable from storage positions in which said wheels do not uphold said outer support frame to wheeling positions in which said wheels do uphold said outer support frame.
Claim 8
Dependent Claim
86 words
The trailer of claim 1 having said means connecting said wheel means to said ramp comprising a support frame means to which said wheel means are attached, said support frame means being adapted to operatively correlate with said ramp so as to support said ramp in said certain position, said wheels being adjustably attached to said support frame so as to permit said support frame to engage the ground whereby the weight of said support frame and of said ramp is directly supported by said ground.
Claim 9
Dependent Claim
25 words
The livestock trailer of claim 1 having a second access opening in the other of said sidewall means so personnel can go through said sidewalls.
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) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |