Patent US3738516A successfully refreshed from Google Patents.
US3738516A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container lifting mechanism
Assignee: Individual
•
Filing: 1972-07-31
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Granted: 1973-06-12
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Expires: 1992-07-31
Abstract
Abstract A double handle attachment hingedly semi-fixed to a refuse sink as described, whereby a container may be inverted so that its contents may be spilled into the sink, and the refuse container secured against falling.
Inventors
- 👤 L Wells
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:39
CPC Classifications
B; B65; B65F; B65F3/00; B65F3/02; B65F3/04; B65F3/041; B65F2003/0223; B65F2003/0246
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
178 words
An apparatus for emptying a portable cargo container whereby a cargo sink receives refuse through an opening in the wall thereof comprising: A. a cargo sink including an opening in a wall thereof; B. powered lift means including a vertically swingable hinged frame having its pivot axis fixed to said cargo sink adjacent said openIng, further including oppositely opening lift hooks with the uppermost lift hook opening upwardly, said hooks being spaced vertically on said frame in its normally lowered retracted position; C. a portable cargo container including at least two locking bars vertically spaced thereon a distance less than the spacing of the outermost tips of said lift hooks; whereby the topmost locking bar of said container is moved into the uppermost hook while the frame is in its normally lowered retracted position and the lower bar is moved into the lower hook in response to the lifting of the frame as refuse is dumped from the portable cargo container upon pivoting of said frame and said portable container hooked thereto to a substantially inverted dumping position.
Claim 2
Independent Claim
178 words
An apparatus for emptying a portable cargo container whereby a cargo sink receives refuse through an opening in the wall thereof comprising: A. a cargo sink including an opening in a wall thereof; B. powered lift means including a vertically swingable hinged frame having its pivot axis fixed to said cargo sink adjacent said openIng, further including oppositely opening lift hooks with the uppermost lift hook opening upwardly, said hooks being spaced vertically on said frame in its normally lowered retracted position; C. a portable cargo container including at least two locking bars vertically spaced thereon a distance less than the spacing of the outermost tips of said lift hooks; whereby the topmost locking bar of said container is moved into the uppermost hook while the frame is in its normally lowered retracted position and the lower bar is moved into the lower hook in response to the lifting of the frame as refuse is dumped from the portable cargo container upon pivoting of said frame and said portable container hooked thereto to a substantially inverted dumping position.
Claim 3
Dependent Claim
23 words
The apparatus of claim 1, wherein the lowermost lift hook is disposed approximately one-half the distance between the uppermost lift hook and ground.
Claim 4
Dependent Claim
92 words
The apparatus as claimed in claim 2, wherein the portable cargo container includes: A. a bin having a low profile, at least one inclined wall and an opening in the top thereof; B. a bin frame fixed about said bin, said frame defining a first handle on one side of said bin and locking bars on the opposite side of said bin; C. said bin frame further defining curved leg portions intermediate sides of the bin; and D. wheels mounted on said frame opposite said leg portions, making said bin freely movable.
References Cited (Backward Citations)
US2763386A
Cited
US3040919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |