Patent US3148878A successfully refreshed from Google Patents.
US3148878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet feed mechanism
Assignee: Xerox Corp
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Filing: 1962-04-02
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Granted: 1964-09-15
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Roger H Eichorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:17
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6529
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
A SHEET CONVEYOR INCLUDING TWO ENDLESS BELTS, PULLEY MEANS SUPPORTING SAID ENDLESS BELTS FOR TRAVEL IN UNISON IN TWO SPACED PLANES, A GRIPPER BAR BRACKET CONNECTED AT OPPOSITE ENDS TO SAID ENDLESS BELTS ALONG A LINE SUBSTANTIALLY PERPENDICULAR TO THE TWO SPACED PLANES OF TRAVEL OF SAID ENDLESS BELTS, A PLURALITY OF FIRST SHEET GRIPPERS AND AN EQUAL NUMBER OF SECOND SHEET GRIPPERS MOUNTED ON SAID GRIPPER BAR BRACKET, SAID FIRST SHEET GRIPPERS AND SAID SECOND SHEET GRIPPERS EACH HAVING JAW PORTIONS ADAPTED TO COOPERATE WITH EACH OTHER TO GRIP A SHEET THEREBETWEEN, AT LEAST SAID FIRST SHEET GRIPPERS BEING PIVOTALLY MOUNTED ON SAID GRIPPER BAR BRACKET AND EACH HAVING A CAM FOLLOWER PORTION THEREON, SPRING MEANS CONNECTED TO EACH SET OF SAID FIRST SHEET GRIPPER AND TO SAID SECOND SHEET GRIPPER PAIR TO NORMALLY BIAS SAID JAW PORTIONS OF SAID SHEET GRIPPERS INTO COOPERATIVE ENGAGEMENT WITH EACH OTHER, AND OPERATING MEANS POSITIONED ADJACENT SAID BELTS AND ON OPPOSITE SIDES OF THE PATH OF TRAVEL OF SAID GRIPPER BAR BRACKET ADAPTED TO CONTACT SAID GRIPPERS TO ACTUATE SAID SHEET GRIPPERS ON OPPOSITE SIDES OF SAID GRIPPER BAR BRACKET AND TO SUPPORT SAID SHEET GRIPPERS TO PREVENT DEFLECTION OF SAID GRIPPER BAR BRACKET.
Claim 2
Dependent Claim
202 words
A SHEET CONVEYOR INCLUDING TWO ENDLESS BELTS, PULLEY MEANS SUPPORTING SAID ENDLESS BELTS FOR TRAVEL IN UNISON IN TWO SPACED PLANES, A GRIPPER BAR BRACKET CONNECTED AT OPPOSITE ENDS TO SAID ENDLESS BELTS ALONG A LINE SUBSTANTIALLY PERPENDICULAR TO THE TWO SPACED PLANES OF TRAVEL OF SAID ENDLESS BELTS, A PLURALITY OF FIRST SHEET GRIPPERS AND AN EQUAL NUMBER OF SECOND SHEET GRIPPERS MOUNTED ON SAID GRIPPER BAR BRACKET, SAID FIRST SHEET GRIPPERS AND SAID SECOND SHEET GRIPPERS EACH HAVING JAW PORTIONS ADAPTED TO COOPERATE WITH EACH OTHER TO GRIP A SHEET THEREBETWEEN, AT LEAST SAID FIRST SHEET GRIPPERS BEING PIVOTALLY MOUNTED ON SAID GRIPPER BAR BRACKET AND EACH HAVING A CAM FOLLOWER PORTION THEREON, SPRING MEANS CONNECTED TO EACH SET OF SAID FIRST SHEET GRIPPER AND TO SAID SECOND SHEET GRIPPER PAIR TO NORMALLY BIAS SAID JAW PORTIONS OF SAID SHEET GRIPPERS INTO COOPERATIVE ENGAGEMENT WITH EACH OTHER, AND OPERATING MEANS POSITIONED ADJACENT SAID BELTS AND ON OPPOSITE SIDES OF THE PATH OF TRAVEL OF SAID GRIPPER BAR BRACKET ADAPTED TO CONTACT SAID GRIPPERS TO ACTUATE SAID SHEET GRIPPERS ON OPPOSITE SIDES OF SAID GRIPPER BAR BRACKET AND TO SUPPORT SAID SHEET GRIPPERS TO PREVENT DEFLECTION OF SAID GRIPPER BAR BRACKET.
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) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |