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US4186546A Expired / Lapsed US ⏱️ 0.0 years remaining

Disposable bag mounting for a lawn mower

Assignee: Individual
•
Filing: 1978-08-18
•
Granted: 1980-02-05
•
Expires: 1998-08-18
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Abstract

Abstract A replaceable thin polyethylene bag attachable to a rotary power lawn mower for catching grass clippings, the mower including a duct leading upward from the underside chamber wherein the cutter blade rotates, the bag being fitted on the end of the duct and standing upon a supporting platform mounted on a rear end of the mower, and the bag being perforated with air vent holes so to allow escape of air while the grass clippings collect inside the bag, and in one design the mower platform automatically is rearwardly downwardly pivoted to unload a bag when filled while a pivotable nozzle automatically positions a next bag for loading.

Inventors

  • 👤 Manuel Machado
  • 👤 George Spector

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 08:34
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/06; A01D43/063; A01D2101/00; A01D34/00; A01D34/01; A01D34/412; A01D34/63

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 129 words
A lawn mower and disposable bag combination, comprising a disposable bag and a lawn mower with a platform on its rear for supporting said bag thereupon, a duct from an inverted dome around a grass clipping chamber of said mower extending upwardly, and a duct end aligned with a mouth of said bag, said platform being rearwardly downwardly pivotable about a hinge against an action of a spring loaded pin, a rotatable plate about a central stationary pin, a nozzle at each opposite end of said rotatable plate, said bag and a second disposable bag each fitted on said nozzles, a detent for retaining said rotatable plate in position for said nozzles successively to align with said duct end, and a wound up spring for rotating said rotatable plate.
Claim 2
Dependent Claim 129 words
A lawn mower and disposable bag combination, comprising a disposable bag and a lawn mower with a platform on its rear for supporting said bag thereupon, a duct from an inverted dome around a grass clipping chamber of said mower extending upwardly, and a duct end aligned with a mouth of said bag, said platform being rearwardly downwardly pivotable about a hinge against an action of a spring loaded pin, a rotatable plate about a central stationary pin, a nozzle at each opposite end of said rotatable plate, said bag and a second disposable bag each fitted on said nozzles, a detent for retaining said rotatable plate in position for said nozzles successively to align with said duct end, and a wound up spring for rotating said rotatable plate.
Claim 3
Dependent Claim 25 words
The combination as set forth in claim 1, wherein said bags are made of polyethylene plastic, and include a plurality of air vent openings therethrough.
Claim 4
Dependent Claim 25 words
The combination as set forth in claim 2, wherein a separate strap around a neck of said bag secures said bag around said duct end.

References Cited (Backward Citations)

US3708968A Cited
US3802173A Cited
US3987606A Cited
US3974631A Cited
US4030273A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1983-02-04 1983-08-06 1984-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1987-02-04 1987-08-06 1988-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1991-02-04 1991-08-06 1992-02-05 $7700.00 Window Closed / Lapsed

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