US3321202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic sheet stackers
Assignee: Individual
•
Filing: 1965-05-03
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Granted: 1967-05-23
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Expires: 1985-05-03
Abstract
No abstract record available.
Inventors
- 👤 Merrill D Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:16
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/16; B65H29/24; B65H29/245; B65H29/246; B65H29/50; B65H43/00; B65H43/08; B65H2301/00; B65H2301/40; B65H2301/42; B65H2301/421; B65H2301/4212
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A MACHINE FOR STACKING SHEETS COMPRISING (A) A BASE, (B) A STACKER CONVEYOR FRAME HAVING AN INTAKE END AND A STACKING END, (C) MEANS TO SWIVABLY SUPPORT SAID STACKER FRAME ON SAID BASE SO THAT THE STACKING END OF SAID STACKER FRAME WHEN ELEVATED MOVES ON A GENERALLY PERPENDICULAR PLANE RELATIVELY TO SAID BASE, (D) CONVEYORS ON SAID STACKER FRAME TO CONVEY SHEETS FROM THE INTAKE END TO THE STACKING END OF SAID STACKER FRAME, (E) MEANS CONNECTED TO SAID SUPPORT MEANS TO RAISE THE STACKING END OF SAID STACKER FRAME FOR STACKING THE SHEETS CONVEYED TO SAID STACKING END AND TO LOWER SAID STACKER FRAME AFTER A STACK IS COMPLETED, (F) MEANS TO CONTROL SAID RAISING AND LOWERING MEANS, (G) TUBULAR SIDE AND END MEMBERS INTEGRALLY UNITED TO FORM SAID BASE IN A GENERALLY U-SHAPE, WITH A TRANSVERSE MEMBER OF SAID BASE BEING ADJACENT TO THE INTAKE END OF SAID STACKER FRAME, (H) TUBULAR TRANSVERSE BRACES ON SAID STACKER FRAME TO RESIST TORSIONAL DISTORTION OF SAID STACKER FRAME.
Claim 2
Dependent Claim
169 words
A MACHINE FOR STACKING SHEETS COMPRISING (A) A BASE, (B) A STACKER CONVEYOR FRAME HAVING AN INTAKE END AND A STACKING END, (C) MEANS TO SWIVABLY SUPPORT SAID STACKER FRAME ON SAID BASE SO THAT THE STACKING END OF SAID STACKER FRAME WHEN ELEVATED MOVES ON A GENERALLY PERPENDICULAR PLANE RELATIVELY TO SAID BASE, (D) CONVEYORS ON SAID STACKER FRAME TO CONVEY SHEETS FROM THE INTAKE END TO THE STACKING END OF SAID STACKER FRAME, (E) MEANS CONNECTED TO SAID SUPPORT MEANS TO RAISE THE STACKING END OF SAID STACKER FRAME FOR STACKING THE SHEETS CONVEYED TO SAID STACKING END AND TO LOWER SAID STACKER FRAME AFTER A STACK IS COMPLETED, (F) MEANS TO CONTROL SAID RAISING AND LOWERING MEANS, (G) TUBULAR SIDE AND END MEMBERS INTEGRALLY UNITED TO FORM SAID BASE IN A GENERALLY U-SHAPE, WITH A TRANSVERSE MEMBER OF SAID BASE BEING ADJACENT TO THE INTAKE END OF SAID STACKER FRAME, (H) TUBULAR TRANSVERSE BRACES ON SAID STACKER FRAME TO RESIST TORSIONAL DISTORTION OF SAID STACKER FRAME.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |