US3111833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Draw lock for a sealed cabinet door
Assignee: Chicago Lock Co
•
Filing: 1961-06-09
•
Granted: 1963-11-26
•
Expires: 1981-06-09
Abstract
No abstract record available.
Inventors
- 👤 Martin H Dettmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:22
CPC Classifications
E; E05; E05B; E05B5/00; E05B5/003; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1039; Y10T292/10395; Y10T292/104; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5367; Y10T70/5611; Y10T70/5757; Y10T70/5761
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
IN A DRAW LOCK FOR A SEALED CABINET DOOR, IN COMBINATION, A HOUSING STRUCTURE ADAPTED TO BE INSTALLED IN AN OPENING IN THE DOOR AND EMBODYING FRONT AND REAR INTERNAL BEARINGS, AN OPERATING HANDLE POSITIONED FORWARDLY OF THE HOUSING STRUCTURE AND HAVING A HUB PORTION PROJECTING REARWARDLY THROUGH THE FRONT INTERNAL BEARING AND ROTATABLE AND AXIALLY SLIDABLE THEREIN, A DRAW SHAFT PROJECTING FORWARDLY THROUGH THE REAR BEARING AND IN AXIAL ALIGNMENT WITH SAID HUB PORTION, MEANS FOR PREVENTING AXIAL SHIFTING OF THE DRAW SHAFT WITH RESPECT TO THE REAR BEARING, A DRAW CAM ON SAID DRAW SHAFT REARWARDLY OF THE REAR BEARING MEMBER AND DESIGNED FOR CAMMING ENGAGEMENT WITH A SUBSTANTIALLY FIXED SHOULDER ON A CABINET TO WHICH THE DOOR IS APPLIED, SAID OPERATING HANDLE AND HUB PORTION BEING MOVABLE BODILY AS A UNIT BETWEEN A RETRACTED POSITION WHEREIN THE HANDLE ASSUMES A POSITION IN CLOSE PROXIMITY TO THE FRONT BEARING AND AN EXTENDED POSITION WHEREIN THE HANDLE IS PROJECTED FORWARDLY OF THE FRONT BEARING, A FIRST CLUTCH ELEMENT ON SAID DRAW SHAFT FORWARDLY OF THE REAR BEARING, AND A SECOND CLUTCH ELEMENT
Claim 2
Dependent Claim
183 words
IN A DRAW LOCK FOR A SEALED CABINET DOOR, IN COMBINATION, A HOUSING STRUCTURE ADAPTED TO BE INSTALLED IN AN OPENING IN THE DOOR AND EMBODYING FRONT AND REAR INTERNAL BEARINGS, AN OPERATING HANDLE POSITIONED FORWARDLY OF THE HOUSING STRUCTURE AND HAVING A HUB PORTION PROJECTING REARWARDLY THROUGH THE FRONT INTERNAL BEARING AND ROTATABLE AND AXIALLY SLIDABLE THEREIN, A DRAW SHAFT PROJECTING FORWARDLY THROUGH THE REAR BEARING AND IN AXIAL ALIGNMENT WITH SAID HUB PORTION, MEANS FOR PREVENTING AXIAL SHIFTING OF THE DRAW SHAFT WITH RESPECT TO THE REAR BEARING, A DRAW CAM ON SAID DRAW SHAFT REARWARDLY OF THE REAR BEARING MEMBER AND DESIGNED FOR CAMMING ENGAGEMENT WITH A SUBSTANTIALLY FIXED SHOULDER ON A CABINET TO WHICH THE DOOR IS APPLIED, SAID OPERATING HANDLE AND HUB PORTION BEING MOVABLE BODILY AS A UNIT BETWEEN A RETRACTED POSITION WHEREIN THE HANDLE ASSUMES A POSITION IN CLOSE PROXIMITY TO THE FRONT BEARING AND AN EXTENDED POSITION WHEREIN THE HANDLE IS PROJECTED FORWARDLY OF THE FRONT BEARING, A FIRST CLUTCH ELEMENT ON SAID DRAW SHAFT FORWARDLY OF THE REAR BEARING, AND A SECOND CLUTCH ELEMENT
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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |