US3104902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: —
•
Filing: —
•
Granted: 1963-09-24
•
Expires: 1980-09-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 02:34
CPC Classifications
E; E05; E05C; E05C9/00; E05C9/04; E05C9/043; E05C9/047; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0834; Y10T292/0836; Y10T292/0839; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
198 words
A LATCH MECHANISM COMPRISING A SUPPORT PLATE, A PRIMARY LATCH ELEMENT AND AT LEAST ONE SECONDARY LATCH ELEMENT, MEANS MOVABLY MOUNTING SAID PRIMARY LATCH ELEMENT ON SAID SUPPORT PLATE FOR MOVEMENT BETWEEN LATCHED AND UNLATCHED POSITIONS, A RETRACTOR MEANS PIVOTALLY MOUNTED ON SAID SUPPORT PLATE FOR MOVEMENT FROM AN INOPERATIVE POSITION TO LATCH ELEMENT ACTUATING POSITION, MEANS DIRECTLY COUPLING SAID SECONDARY LATCH ELEMENT TO SAID RETRACTOR MEANS FOR MOVEMENT THEREBY BETWEEN LATCHED AND UNLATCHED POSITIONS, SAID RETRACTOR MEANS HAVING A PART THEREOF SPACED FROM SAID PRIMARY LATCH ELEMENT IN LATCHED POSITION OF SAID PRIMARY AND SECONDARY LATCH ELEMENT, AND MEANS OPERABLE TO PIVOT SAID RETRACTOR MEANS TO FIRST RETRACT SAID SECONDARY LATCH ELEMENT FROM LATCHED TO UNLATCHED POSITION AND MOVE SAID PART INTO ENGAGEMENT WITH SAID PRIMARY LATCH ELEMENT AND THEN TO RETRACT SAID PRIMARY LATCH ELEMENT FROM LATCHED TO AN UNLATCHED POSITION, SAID OPERABLE MEANS INCLUDING LINK MEANS PIVOTALLY CONNECTED AT ONE END THEREOF TO SAID RETRACTOR MEANS AT ONE SIDE OF THE PIVOT AXIS OF THE LATTER, SAID LINK MEANS AND RETRACTOR MEANS IN IN-OPERATIVE POSITION OF THE LATTER COACTING TO BLOCK RETRACTION OF SAID SECONDARY LATCH ELEMENT BY FORCE EXERTED ON THE LATCH END THEREOF.
Claim 2
Dependent Claim
198 words
A LATCH MECHANISM COMPRISING A SUPPORT PLATE, A PRIMARY LATCH ELEMENT AND AT LEAST ONE SECONDARY LATCH ELEMENT, MEANS MOVABLY MOUNTING SAID PRIMARY LATCH ELEMENT ON SAID SUPPORT PLATE FOR MOVEMENT BETWEEN LATCHED AND UNLATCHED POSITIONS, A RETRACTOR MEANS PIVOTALLY MOUNTED ON SAID SUPPORT PLATE FOR MOVEMENT FROM AN INOPERATIVE POSITION TO LATCH ELEMENT ACTUATING POSITION, MEANS DIRECTLY COUPLING SAID SECONDARY LATCH ELEMENT TO SAID RETRACTOR MEANS FOR MOVEMENT THEREBY BETWEEN LATCHED AND UNLATCHED POSITIONS, SAID RETRACTOR MEANS HAVING A PART THEREOF SPACED FROM SAID PRIMARY LATCH ELEMENT IN LATCHED POSITION OF SAID PRIMARY AND SECONDARY LATCH ELEMENT, AND MEANS OPERABLE TO PIVOT SAID RETRACTOR MEANS TO FIRST RETRACT SAID SECONDARY LATCH ELEMENT FROM LATCHED TO UNLATCHED POSITION AND MOVE SAID PART INTO ENGAGEMENT WITH SAID PRIMARY LATCH ELEMENT AND THEN TO RETRACT SAID PRIMARY LATCH ELEMENT FROM LATCHED TO AN UNLATCHED POSITION, SAID OPERABLE MEANS INCLUDING LINK MEANS PIVOTALLY CONNECTED AT ONE END THEREOF TO SAID RETRACTOR MEANS AT ONE SIDE OF THE PIVOT AXIS OF THE LATTER, SAID LINK MEANS AND RETRACTOR MEANS IN IN-OPERATIVE POSITION OF THE LATTER COACTING TO BLOCK RETRACTION OF SAID SECONDARY LATCH ELEMENT BY FORCE EXERTED ON THE LATCH END THEREOF.
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |