US3214773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tap chuck with adjustable torque release
Assignee: Erickson Tool Co
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Filing: 1963-01-10
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Granted: 1965-11-02
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Expires: 1983-01-10
Abstract
No abstract record available.
Inventors
- 👤 Milton L Benjamin
- 👤 Frei George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:30
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/024; F16D7/025; F16D7/027; B; B23; B23B; B23B31/00; B23B31/02; B23B31/08; B23B31/083; B23B31/086; B23G; B23G1/00; B23G1/44; B23G1/46; Y; Y10; Y10S; Y10S408/00; Y10S408/714; Y10T; Y10T279/00; Y10T279/17; Y10T279/17017; Y10T408/00; Y10T408/70; Y10T408/72; Y10T408/73; Y10T408/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
IN A CHUCK, THE COMBINATION OF A CHUCK BODY ADAPTED TO BE MOUNTED ON A ROTATING SPINDLE, A HOUSING AXIALLY SLIDABLY KEYED TO SAID CHUCK BODY, TOOL HOLDING MEANS CARRIED BY SAID HOUSING, EMANS MOUNTING SAID TOOL HOLDING MEANS WITHIN SAID HOUSING FOR RELATIVE ROTATIONAL MOVEMENT, SAID MOUNTING MEANS BEING OPERATIVE TO MAINTAIN SAID TOOL HOLDING MEANS IN COAXIAL ALIGNMENT WITH SAID HOUSING AND TO PRECLUDE RELATIVE AXIAL MOVEMENT THEREBETWEEN, AND TORQUE TRANSMITTING DRIVE MEANS BETWEEN SAID HOUSING AND TOOL HOLDING MEANS INCLUDING JUXTAPOSED DRIVING AND DRIVEN DISCS RESPECTIVELY KEYED TO SAID HOUSING AND TOOL HOLDING MEANS AND SPRING MEANS URGING SAID DISCS TOGETHER INTO FRICTIONAL ENGAGEMENT WITH EACH OTHER.
Claim 2
Dependent Claim
110 words
IN A CHUCK, THE COMBINATION OF A CHUCK BODY ADAPTED TO BE MOUNTED ON A ROTATING SPINDLE, A HOUSING AXIALLY SLIDABLY KEYED TO SAID CHUCK BODY, TOOL HOLDING MEANS CARRIED BY SAID HOUSING, EMANS MOUNTING SAID TOOL HOLDING MEANS WITHIN SAID HOUSING FOR RELATIVE ROTATIONAL MOVEMENT, SAID MOUNTING MEANS BEING OPERATIVE TO MAINTAIN SAID TOOL HOLDING MEANS IN COAXIAL ALIGNMENT WITH SAID HOUSING AND TO PRECLUDE RELATIVE AXIAL MOVEMENT THEREBETWEEN, AND TORQUE TRANSMITTING DRIVE MEANS BETWEEN SAID HOUSING AND TOOL HOLDING MEANS INCLUDING JUXTAPOSED DRIVING AND DRIVEN DISCS RESPECTIVELY KEYED TO SAID HOUSING AND TOOL HOLDING MEANS AND SPRING MEANS URGING SAID DISCS TOGETHER INTO FRICTIONAL ENGAGEMENT WITH EACH OTHER.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |