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US3191244A Expired / Lapsed US ⏱️ 0.0 years remaining

Sectional cooler latch

Assignee: National Lock Co
•
Filing: 1962-03-27
•
Granted: 1965-06-29
•
Expires: 1982-03-27
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Abstract

No abstract record available.

Inventors

  • 👤 William O Burke

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 14:25
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; E05B65/0817; Y; Y10; Y10S; Y10S52/00; Y10S52/01; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0913; Y10T292/0914; Y10T292/0915

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 240 words
A LATCH ASSEMBLY MOUNTED IN ONE OF A PAIR OF ADJOINING PANELS FOR LATCHING ENGAGEMENT WITH A LATCH PIN IN THE OTHER PANEL FOR JOINING THE PANELS IN ABUTTING RELATION, COMPRISING A HOUSING HAVING SPACED SIDES WITH ALIGNED OPENINGS THEREIN, ANCHORING FLANGES ON SAID SIDES AND A CONNECTING PORTION FOR SAID SIDES, AND A LATCH BOLT ASSEMBLY ROTATABLY MOUNTED IN SAID HOUSING INCLUDING A LATCH BOLT HAVING A BODY PORTION WITH A CENTRAL CIRCULAR OPENING THEREIN, AN ARM EXTENDING FROM THE BODY PORTION AND OFFSET FROM THE CENTER THEREOF, SAID ARM TERMINATING IN A HOOK PARTION ADAPTED TO ENGAGE THE LATCH PIN IN THE ADJOINING PORTION, LOCKING PROJECTION EXTENDING FROM SAID BODY PORTION, LOCKING MEANS ON SAID HOUSING COOPERATING WITH SAID LOCKING PROJECTION TO RETAIN THE BOLT IN UNLATCHED POSITION, A PAIR OF CIRCULAR CAM MEMBERS OF A DIAMETER GREATER THAN THE CENTRAL OPENING HAVING CENTRALLY CIRCULAR DEPRESSED PORTIONS RECEIVED WITHIN THE OPENING IN THE BODY PORTION WITH A CAM MEMBER ON EACH SIDE OF AND FRICTIONALLY ENGAGING THE LATCH BOLT, SAID CENTRAL DEPRESSED PORTIONS ABUTTING AND SECURED TOGETHER, SAID CAM MEMBERS HAVING ALIGNED OFFSET OPENINGS EXTENDING THROUGH THE DEPRESSED PORTIONS TO RECEIVE A SUITABLE TOOL FOR ROTATION OF THE CAM MEMBERS, AN EAR FORMED ON THE PERIPHERY OF EACH CAM MEMBER AND A PAIR OF SPACED PINS ON THE BODY PORTION OF THE LATCH BOLT COOPERATING WITH SAID EARS TO LIMIT THE ARC OF MOVEMENT OF THE CAM MEMBERS.
Claim 2
Dependent Claim 240 words
A LATCH ASSEMBLY MOUNTED IN ONE OF A PAIR OF ADJOINING PANELS FOR LATCHING ENGAGEMENT WITH A LATCH PIN IN THE OTHER PANEL FOR JOINING THE PANELS IN ABUTTING RELATION, COMPRISING A HOUSING HAVING SPACED SIDES WITH ALIGNED OPENINGS THEREIN, ANCHORING FLANGES ON SAID SIDES AND A CONNECTING PORTION FOR SAID SIDES, AND A LATCH BOLT ASSEMBLY ROTATABLY MOUNTED IN SAID HOUSING INCLUDING A LATCH BOLT HAVING A BODY PORTION WITH A CENTRAL CIRCULAR OPENING THEREIN, AN ARM EXTENDING FROM THE BODY PORTION AND OFFSET FROM THE CENTER THEREOF, SAID ARM TERMINATING IN A HOOK PARTION ADAPTED TO ENGAGE THE LATCH PIN IN THE ADJOINING PORTION, LOCKING PROJECTION EXTENDING FROM SAID BODY PORTION, LOCKING MEANS ON SAID HOUSING COOPERATING WITH SAID LOCKING PROJECTION TO RETAIN THE BOLT IN UNLATCHED POSITION, A PAIR OF CIRCULAR CAM MEMBERS OF A DIAMETER GREATER THAN THE CENTRAL OPENING HAVING CENTRALLY CIRCULAR DEPRESSED PORTIONS RECEIVED WITHIN THE OPENING IN THE BODY PORTION WITH A CAM MEMBER ON EACH SIDE OF AND FRICTIONALLY ENGAGING THE LATCH BOLT, SAID CENTRAL DEPRESSED PORTIONS ABUTTING AND SECURED TOGETHER, SAID CAM MEMBERS HAVING ALIGNED OFFSET OPENINGS EXTENDING THROUGH THE DEPRESSED PORTIONS TO RECEIVE A SUITABLE TOOL FOR ROTATION OF THE CAM MEMBERS, AN EAR FORMED ON THE PERIPHERY OF EACH CAM MEMBER AND A PAIR OF SPACED PINS ON THE BODY PORTION OF THE LATCH BOLT COOPERATING WITH SAID EARS TO LIMIT THE ARC OF MOVEMENT OF THE CAM MEMBERS.

References Cited (Backward Citations)

US2486686A Cited
US2647287A Cited
US2714751A Cited
US2784019A Cited
US2896989A Cited
US2945281A Cited
US3048435A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-28 1968-12-28 1969-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-28 1972-12-28 1973-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-28 1976-12-28 1977-06-29 $7700.00 Window Closed / Lapsed

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