US3352343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mechanical connection
Assignee: SCM Corp
•
Filing: 1966-04-07
•
Granted: 1967-11-14
•
Expires: 1986-04-07
Abstract
No abstract record available.
Inventors
- 👤 Robert I Stitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:23
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/36; F16B2200/00; F16B2200/40; F16B2200/406; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
226 words
A MECHANICAL LOCKING SCREW ASSEMBLY COMPRISING, IN COMBINATION, A SUPPORTING SHAFT PROVIDED WITH AN APERTURE HAVING INTERNAL THREADS THEREIN, A LOCKING SCREW PROVIDED WITH EXTERNAL THREADS THREADED INTO SAID SHAFT APERTURE, AN ABUTMENT SURFACE IN THE FORM OF AN EXTERNAL CAMMING CHAMFER ADJACENT ONE EDGE OF SAID LOCKING SCREW, AN ADJUSTABLE DOWEL SCREW PROVIDED WITH EXTERNAL THREADS COMPLEMENTARY TO THE THREADED APERTURE IN SAID SUPPORTING SHAFT AND HAVING AN APERTURE THROUGH ITS CENTER, AN ABUTMENT SURFACE IN THE FORM OF AN INTERNAL CAMMING CHAMBER ON THE INSIDE OF SAID DOWEL SCREW APERTURE ADJACENT THE THREADED END, SAID DOWEL SCREW HAVING A LONGITUDINAL SLOT ADJACENT THE THREADED END, THE THREADED PORTION OF SAID DOWEL SCREW BEING THREADED INTO SAID SUPPORTING SHAFT APERTURE TO A SELECTED POSITION, A HEX APERTURE IN SAID LOCKING SCREW FOR RECEIVING A HEX WRENCH THROUGH THE APERTURE IN SAID DOWEL SCREW FOR TIGHTENING THE LOCKING SCREW AGAINST SAID DOWEL SCREW WHEREBY THE CAMMING CHAMFER ON SAID LOCKING SCREW WILL COOPERATE WITH THE CAMMING CHAMFER ON SAID DOWEL SCREW TO WEDGE THE DOWEL SCREW THREADS AGAINST THE SUPPORTING SHAFT THREADS TO LOCK THE POSITION ON THE DOWEL SCREW RELATIVE TO THE SUPPORTING SHAFT, SAID HEX APERTURE PASSES COMPLETELY THROUGH SAID LOCKING SCREW, WHEREBY A FREE OIL PASSAGE WILL BE DEFINED BY THE APERTURE IN SAID SUPPORTING SHAFT, SAID DOWEL SCREW AND SAID HEX APERTURE.
Claim 2
Dependent Claim
226 words
A MECHANICAL LOCKING SCREW ASSEMBLY COMPRISING, IN COMBINATION, A SUPPORTING SHAFT PROVIDED WITH AN APERTURE HAVING INTERNAL THREADS THEREIN, A LOCKING SCREW PROVIDED WITH EXTERNAL THREADS THREADED INTO SAID SHAFT APERTURE, AN ABUTMENT SURFACE IN THE FORM OF AN EXTERNAL CAMMING CHAMFER ADJACENT ONE EDGE OF SAID LOCKING SCREW, AN ADJUSTABLE DOWEL SCREW PROVIDED WITH EXTERNAL THREADS COMPLEMENTARY TO THE THREADED APERTURE IN SAID SUPPORTING SHAFT AND HAVING AN APERTURE THROUGH ITS CENTER, AN ABUTMENT SURFACE IN THE FORM OF AN INTERNAL CAMMING CHAMBER ON THE INSIDE OF SAID DOWEL SCREW APERTURE ADJACENT THE THREADED END, SAID DOWEL SCREW HAVING A LONGITUDINAL SLOT ADJACENT THE THREADED END, THE THREADED PORTION OF SAID DOWEL SCREW BEING THREADED INTO SAID SUPPORTING SHAFT APERTURE TO A SELECTED POSITION, A HEX APERTURE IN SAID LOCKING SCREW FOR RECEIVING A HEX WRENCH THROUGH THE APERTURE IN SAID DOWEL SCREW FOR TIGHTENING THE LOCKING SCREW AGAINST SAID DOWEL SCREW WHEREBY THE CAMMING CHAMFER ON SAID LOCKING SCREW WILL COOPERATE WITH THE CAMMING CHAMFER ON SAID DOWEL SCREW TO WEDGE THE DOWEL SCREW THREADS AGAINST THE SUPPORTING SHAFT THREADS TO LOCK THE POSITION ON THE DOWEL SCREW RELATIVE TO THE SUPPORTING SHAFT, SAID HEX APERTURE PASSES COMPLETELY THROUGH SAID LOCKING SCREW, WHEREBY A FREE OIL PASSAGE WILL BE DEFINED BY THE APERTURE IN SAID SUPPORTING SHAFT, SAID DOWEL SCREW AND SAID HEX APERTURE.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |