Patent US3795070A successfully refreshed from Google Patents.
US3795070A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multipurpose bucket for heavy-duty construction equipment
Assignee: Individual
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Filing: 1973-03-12
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Granted: 1974-03-05
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Expires: 1993-03-12
Abstract
Abstract The multipurpose bucket for loaders, mounted on suitably actuated, commonly known, lift arms and being tilted by actuator cylinders mounted to the arms and to the bucket, comprises a bowl; an extendible bottom which is slidable forwardly and rearwardly with respect to said bowl, and being connected at the rearwardmost terminal end by a connector bar; and an actuator assembly including a bell crank upstandingly, pivotally mounted at its vertex to the rearwardmost terminal side of the bowl, an actuator cylinder mounted in alignment with and over the bell crank to the rearwardmost side of the bowl and pivotally mounted by its piston to the upper arm portion of the bell crank, the lower arm portion of the bell crank being pivotally secured to the connector bar.
Inventors
- 👤 O Bronson
- 👤 B Crabtree
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:47
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/28; E02F3/36; E02F3/40; E02F3/401; Y; Y10; Y10S; Y10S37/00; Y10S37/904
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
226 words
A multipurpose bucket for loaders, being mounted on suitably actuated lift arms, abd neing tilted by pressure cylinders mounted to said arms and said bucket comprising: a bowl including a substantially U-shaped wall forming the lower ground-contacting side of said bucket and the rearward side of said bucket, and opposing sidewalls at each end of said bowl; a support means for accumulating and lifting, said support means being coextensive in width with and mounted for forward and rearward slideable movement in said bowl; and an actuator assembly including a selectively controllable pressure cylinder mounted to said bowl and a linkage means mounted to said cylinder and thRough said bowl to said support means, said linkage means is a bell crank upstandingly, pivotally mounted at its vertex to the rearwardmost terminal side of said rearward side portion of said U-shaped wall, said cylinder being mounted in alignment with said bell crank to said rearwardmost side of said U-shaped wall rearward side portion and having its piston portion pivotally fastened to one of the arm portions of said bell crank, the arm portion of said bell crank being pivotally secured to the rearwardmost end of said support means, said bell crank arm portion engaging said support means includes a slotted hole disposed rectilinearly in said arm portion engaging said support means in which a connector bar may travel.
Claim 2
Dependent Claim
226 words
A multipurpose bucket for loaders, being mounted on suitably actuated lift arms, abd neing tilted by pressure cylinders mounted to said arms and said bucket comprising: a bowl including a substantially U-shaped wall forming the lower ground-contacting side of said bucket and the rearward side of said bucket, and opposing sidewalls at each end of said bowl; a support means for accumulating and lifting, said support means being coextensive in width with and mounted for forward and rearward slideable movement in said bowl; and an actuator assembly including a selectively controllable pressure cylinder mounted to said bowl and a linkage means mounted to said cylinder and thRough said bowl to said support means, said linkage means is a bell crank upstandingly, pivotally mounted at its vertex to the rearwardmost terminal side of said rearward side portion of said U-shaped wall, said cylinder being mounted in alignment with said bell crank to said rearwardmost side of said U-shaped wall rearward side portion and having its piston portion pivotally fastened to one of the arm portions of said bell crank, the arm portion of said bell crank being pivotally secured to the rearwardmost end of said support means, said bell crank arm portion engaging said support means includes a slotted hole disposed rectilinearly in said arm portion engaging said support means in which a connector bar may travel.
Claim 3
Dependent Claim
49 words
The apparatus of claim 1 wherein said teeth are carried between said lower ground-contacting side of said bowl U-shaped wall and a bucket bottom which is coextensive with and disposed distally parallel above said lower ground-contacting side of said bowl U-shaped wall and which is fastened to said bowl.
Claim 4
Dependent Claim
16 words
The apparatus of claim 2 wherein said dump plate is fabricated of a closedwork plate material.
Claim 5
Dependent Claim
15 words
The apparatus of claim 2 wherein said dump plate is fabricated of an openwork grating.
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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |