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US4022002A Expired / Lapsed US ⏱️ 0.0 years remaining

Giant hay baler

Assignee: Individual
•
Filing: 1975-08-21
•
Granted: 1977-05-10
•
Expires: 1995-08-21
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Abstract

Abstract A relatively large sized baler for hay, the baler being mounted upon wheels so that it can be pulled by a tractor across a field for picking up hay, the baler consisting of a box-like frame open at its front end so that the hay can be admitted thereinto, a forwardly and rearwardly movable plunger being provided with a row of teeth for compressing it against a vertically upstanding ramp after which the hay is tied up in its compressed condition and the ramp is then rearwardly downwardly pivoted so that the bale of hay can then be dropped out of the baler.

Inventors

  • 👤 John F. Sweeney

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:02
CPC Classifications
A; A01; A01D; A01D85/00; A01D85/001; A01D85/002; A01F; A01F15/00; A01F15/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 181 words
A Giant Hay Baler, comprising in combination, an elongated rectangular frame supported at its rear end upon a pair of wheels, a forward end of said frame including a hitch for being detachably connected to a tractor or other equipment, an opening at said forward end so to admit hay upon a floor at a lower end of said frame, a ramp supported at a rear end of said frame and being pivotable between an upward vertical position and a horizontal rearwardly down position by means of hydraulic rams on said frame, said frame including a longitudinally extending channel along each side thereof, a plunger including a transverse member resting upon said channels, a plurality of vertical, parallel, double-pointed teeth carried by said transverse member, each tooth including a downward point at its lower end and an upward point at its upper end, a longitudinally mid portion of said teeth being connected to said transverse member, opposite ends of said transverse member being each pivotally connected by a link to a piston rod of a hydraulic cylinder contained within said channel.
Claim 2
Dependent Claim 181 words
A Giant Hay Baler, comprising in combination, an elongated rectangular frame supported at its rear end upon a pair of wheels, a forward end of said frame including a hitch for being detachably connected to a tractor or other equipment, an opening at said forward end so to admit hay upon a floor at a lower end of said frame, a ramp supported at a rear end of said frame and being pivotable between an upward vertical position and a horizontal rearwardly down position by means of hydraulic rams on said frame, said frame including a longitudinally extending channel along each side thereof, a plunger including a transverse member resting upon said channels, a plurality of vertical, parallel, double-pointed teeth carried by said transverse member, each tooth including a downward point at its lower end and an upward point at its upper end, a longitudinally mid portion of said teeth being connected to said transverse member, opposite ends of said transverse member being each pivotally connected by a link to a piston rod of a hydraulic cylinder contained within said channel.
Claim 3
Dependent Claim 32 words
The combination as set forth in claim 1 wherein a hay pick up is located at a forward end of said floor and at a lower end of said forward end opening.
Claim 4
Dependent Claim 27 words
The combination as set forth in claim 2, wherein a pair of spools are mounted upon said frame, each said spool carrying a roll of baling material.

References Cited (Backward Citations)

US523707A Cited
US3035391A Cited
US3591950A Cited
US3552109A Cited
US3751892A Cited
US3771673A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-05-09 1980-11-08 1981-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-05-09 1984-11-08 1985-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-05-09 1988-11-08 1989-05-10 $7700.00 Window Closed / Lapsed

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