US3124998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
raehrs
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:35
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/02; F16H57/023; B; B23; B23Q; B23Q1/00; B23Q1/25; B23Q1/26; B23Q1/28; B23Q5/00; B23Q5/02; B23Q5/04; B23Q5/12; B23Q5/14; B23Q5/54; B23Q5/56; F16D; F16D19/00; F16D25/00; F16D25/08; F16D25/082; F16H57/021; F16H57/022; F16H57/028; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/309352
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A MACHINE TOOL SPINDLE TRANSMISSION COMPRISING IN COMBINATION, A ROTATABLE DRIVE MEMBER HAVING A SPLINED BORE THEREIN, A SPINDLE RECEIVED THROUGH SAID DRIVE MEMBER HAVING A SPLINED DIAMETER MATING WITH SAID BORE, THE SPINDLE SUBJECTED TO A RAPIDLY VARYING LOAD TORQUE TENDING TO PRODUCE CHATTER BETWEEN SAID DRIVE MEMBER AND SPINDLE, MEANS TO ROTATE SAID DRIVE MEMBER AND EFFECT ROTATION OF SAID SPINDLE, A CONTRACTABLE ANNULAR COLLET RECEIVED ON SAID SPINDLE HAVING A TAPERED EXTERNAL SURFACE, AN EXPANDABLE ANNULAR COLLET RECEIVED IN SAID DRIVE MEMBER HAVING A TAPERED INTERNAL SURFACE, MEANS TO URGE SAID COLLETS TOGETHER AT SAID TAPERED SURFACES AND PRODUCE FORCES TENDING RESPECTIVELY TO CONTRACT AND EXPAND SAID COLLETS FOR RELATIVELY FIXING SAID DRIVE MEMBER AND SPINDLE TOGETHER, SAID FORCES TENDING TO SUPPRESS SAID CHATTER, MEANS TO SEPARATE SAID COLLETS AND FREE SAID SPINDLE FOR AXIAL ADJUSTMENT, AND MEANS TO AXIALLY ADJUST SAID SPINDLE IN SAID DRIVE MEMBER.
Claim 2
Dependent Claim
150 words
A MACHINE TOOL SPINDLE TRANSMISSION COMPRISING IN COMBINATION, A ROTATABLE DRIVE MEMBER HAVING A SPLINED BORE THEREIN, A SPINDLE RECEIVED THROUGH SAID DRIVE MEMBER HAVING A SPLINED DIAMETER MATING WITH SAID BORE, THE SPINDLE SUBJECTED TO A RAPIDLY VARYING LOAD TORQUE TENDING TO PRODUCE CHATTER BETWEEN SAID DRIVE MEMBER AND SPINDLE, MEANS TO ROTATE SAID DRIVE MEMBER AND EFFECT ROTATION OF SAID SPINDLE, A CONTRACTABLE ANNULAR COLLET RECEIVED ON SAID SPINDLE HAVING A TAPERED EXTERNAL SURFACE, AN EXPANDABLE ANNULAR COLLET RECEIVED IN SAID DRIVE MEMBER HAVING A TAPERED INTERNAL SURFACE, MEANS TO URGE SAID COLLETS TOGETHER AT SAID TAPERED SURFACES AND PRODUCE FORCES TENDING RESPECTIVELY TO CONTRACT AND EXPAND SAID COLLETS FOR RELATIVELY FIXING SAID DRIVE MEMBER AND SPINDLE TOGETHER, SAID FORCES TENDING TO SUPPRESS SAID CHATTER, MEANS TO SEPARATE SAID COLLETS AND FREE SAID SPINDLE FOR AXIAL ADJUSTMENT, AND MEANS TO AXIALLY ADJUST SAID SPINDLE IN SAID DRIVE MEMBER.
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) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |