Patent US3669464A successfully refreshed from Google Patents.
US3669464A
Expired / Lapsed
US
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Material cart
Assignee: Individual
•
Filing: 1970-08-10
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Granted: 1972-06-13
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Expires: 1990-08-10
Abstract
Abstract A material handling car that automatically aligns elongate material pieces that are dropped thereon. The cart has a substantially horizontal wheel-supported bed having end members connecting a pair of side members. Guide rails, that automatically align the material pieces dropped on the cart, are attached to the end members inwardly of the side members and extend upwardly and outwardly from their points of attachment.
Inventors
- 👤 Leonard J Linzmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:36
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/10; B62B3/102; Y; Y10; Y10S; Y10S414/00; Y10S414/10; Y10S414/102
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
191 words
A cart for automatically aligning elongate material pieces dropped thereon, comprising: a. a substantially horizontal rectangular shaped wheel-supported bed having a pair of end members connecting a pair of substantially parallel side members, b. a first side rail mounted on and extending vertically upward from one of said side members and having a horizontal top member, c. a second side rail mounted on and extending vertically upward from the other of said side members, said second side rail having a generally horizontally extending handrail disposed substantially higher than the horizontal top member of said first side rail, d. a first pair of inclined guide rails having their lower ends fixedly mounted to said end members inwardly of said one side member and extending upwardly and outwardly to fixed attachment at their upper ends to said horizontal top member, and e. a second pair of inclined guide rails having their lower ends fixedly mounted to said end members inwardly of said other side member and spaced from said first guide rails and extending upwardly and outwardly to fixed attachment at their upper ends to said second side rail substantially below said handrail.
Claim 2
Dependent Claim
191 words
A cart for automatically aligning elongate material pieces dropped thereon, comprising: a. a substantially horizontal rectangular shaped wheel-supported bed having a pair of end members connecting a pair of substantially parallel side members, b. a first side rail mounted on and extending vertically upward from one of said side members and having a horizontal top member, c. a second side rail mounted on and extending vertically upward from the other of said side members, said second side rail having a generally horizontally extending handrail disposed substantially higher than the horizontal top member of said first side rail, d. a first pair of inclined guide rails having their lower ends fixedly mounted to said end members inwardly of said one side member and extending upwardly and outwardly to fixed attachment at their upper ends to said horizontal top member, and e. a second pair of inclined guide rails having their lower ends fixedly mounted to said end members inwardly of said other side member and spaced from said first guide rails and extending upwardly and outwardly to fixed attachment at their upper ends to said second side rail substantially below said handrail.
References Cited (Backward Citations)
US1677476A
Cited
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US2247519A
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US2632567A
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US2764419A
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US3137250A
Cited
US3021011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-13 | 1975-12-13 | 1976-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-13 | 1979-12-13 | 1980-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-13 | 1983-12-13 | 1984-06-13 | $7700.00 | Window Closed / Lapsed |