Patent US4292891A successfully refreshed from Google Patents.
US4292891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aluminum can crusher
Assignee: Individual
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Filing: 1980-06-23
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Granted: 1981-10-06
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Expires: 2000-06-23
Abstract
Abstract A can crusher is provided utilizing a single lever arm pivoted in two places to a pivotal link and a crusher plate respectively and having a unique action wherein upon lifting the lever arm space is provided for a can and a foot extended from the lever arm crushes one end of the can, and upon depressing the arm the can is completely crushed.
Inventors
- 👤 James D. Shelley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:22
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/32; B30B9/321; B30B9/322; B30B9/323; Y; Y10; Y10S; Y10S100/00; Y10S100/902
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
155 words
A can crusher comprising: (a) a base; (b) a crusher plate havng one end pivoted to said base and the other end free of said base; (c) a lever arm being pivotally connected at a first pivot point along its length to the free end of said crusher plate, said lever arm being pivotally connected at a second pivot point to one end of a pivotal link, the other end of said pivotal link being pivoted to said base; (e) said lever arm having an extended foot defined on the underside thereof on the side of said first pivot towards said second pivot, whereby, upon raising said lever arm said plate is raised, and upon inserting a can between said base and said plate and further raising said lever said foot buckles one end of said can, and upon subsequently lowering said lever arm said can is crushed against said base by said crusher plate.
Claim 2
Dependent Claim
155 words
A can crusher comprising: (a) a base; (b) a crusher plate havng one end pivoted to said base and the other end free of said base; (c) a lever arm being pivotally connected at a first pivot point along its length to the free end of said crusher plate, said lever arm being pivotally connected at a second pivot point to one end of a pivotal link, the other end of said pivotal link being pivoted to said base; (e) said lever arm having an extended foot defined on the underside thereof on the side of said first pivot towards said second pivot, whereby, upon raising said lever arm said plate is raised, and upon inserting a can between said base and said plate and further raising said lever said foot buckles one end of said can, and upon subsequently lowering said lever arm said can is crushed against said base by said crusher plate.
Claim 3
Dependent Claim
25 words
Structure according to claim 1 wherein said plate is provided with a frictional surface along the portion thereof which engages a can to be crushed.
Claim 4
Dependent Claim
34 words
Structure according to claim 1 wherein said pivotal link comprises a pair of side plates stradding a rest positioned on said base to seat said foot when said crusher is in its unused orientation.
Claim 5
Dependent Claim
29 words
Structure according to claim 1 wherein said lever arm includes a downwardly directed actuator arm and said first pivot point is defined in the end of said actuator arm.
Claim 6
Dependent Claim
17 words
Structure according to claim 4 wherein said actuator arm and pivotal link are substantially the same length.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-10-05 | 1985-04-06 | 1985-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-10-05 | 1989-04-06 | 1989-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-10-05 | 1993-04-06 | 1993-10-06 | $7700.00 | Window Closed / Lapsed |