US3269723A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet stretching and separating apparatus
Assignee: Harris Graphics Corp
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Filing: 1963-12-23
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Granted: 1966-08-30
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Expires: 1983-12-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Staines
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:04
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/08; B65H3/0808; B65H3/0816; B65H3/0825
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A SHEET SEPARATING MECHANISM COMPRISING A SHEET RAISING MEANS INCLUDING A SHEET GRIPPER MEMBER MOVABLE RELATIVE TO A PILE OF SHEETS AND OPERABLE TO GRIP THE TOPMOST SHEET OF A PILE AND SEPARATE THE SHEET FROM THE PILE, FIRST LINKAGE MEANS PROVIDING FOR MOVEMENT OF SAID GRIPPER MEMBER TO EFFECT RAISING MOVEMENT THEREOF, SECOND LINKAGE MEANS PROVIDING FOR MOVEMENT OF SAID SHEET GRIPPER MEMBER IN A DIRECTION TRANSVERSE TO SAID SEPARATING DIRECTION WHILE SAID GRIPPER MEMBER IS MOVING IN SAID SEPARATING DIRECTION SO THAT SAID SHEET GRIPPER MEMBER MOVES ALONG A PATH WHICH IS THE RESULTANT OF THE EFFECT OF OPERATION OF SAID FIRST AND SECOND LINKAGE MEANS, AND A SINGLE CAM MEMBER OPERATIVELY ASSOCIATED WITH SAID FIRST AND SECOND LINKAGE MEANS TO EFFECT OPERATION OF SAID FIRST AND SECOND LINKAGE MEANS IN TIMED RELATION.
Claim 2
Dependent Claim
135 words
A SHEET SEPARATING MECHANISM COMPRISING A SHEET RAISING MEANS INCLUDING A SHEET GRIPPER MEMBER MOVABLE RELATIVE TO A PILE OF SHEETS AND OPERABLE TO GRIP THE TOPMOST SHEET OF A PILE AND SEPARATE THE SHEET FROM THE PILE, FIRST LINKAGE MEANS PROVIDING FOR MOVEMENT OF SAID GRIPPER MEMBER TO EFFECT RAISING MOVEMENT THEREOF, SECOND LINKAGE MEANS PROVIDING FOR MOVEMENT OF SAID SHEET GRIPPER MEMBER IN A DIRECTION TRANSVERSE TO SAID SEPARATING DIRECTION WHILE SAID GRIPPER MEMBER IS MOVING IN SAID SEPARATING DIRECTION SO THAT SAID SHEET GRIPPER MEMBER MOVES ALONG A PATH WHICH IS THE RESULTANT OF THE EFFECT OF OPERATION OF SAID FIRST AND SECOND LINKAGE MEANS, AND A SINGLE CAM MEMBER OPERATIVELY ASSOCIATED WITH SAID FIRST AND SECOND LINKAGE MEANS TO EFFECT OPERATION OF SAID FIRST AND SECOND LINKAGE MEANS IN TIMED RELATION.
References Cited (Backward Citations)
US2389480A
Cited
US2950913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-29 | 1970-02-28 | 1970-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-29 | 1974-02-28 | 1974-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-29 | 1978-02-28 | 1978-08-30 | $7700.00 | Window Closed / Lapsed |