US3232170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hobbing machine
Assignee: Textron Inc
•
Filing: 1963-02-18
•
Granted: 1966-02-01
•
Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Howard J Findley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:23
CPC Classifications
B; B23; B23F; B23F5/00; B23F5/20; B23F5/22; H; H02; H02P; H02P5/00; H02P5/46; H02P5/50; H02P5/51; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101431; Y10T409/10159; Y10T409/102226; Y10T409/102544; Y10T409/102703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
206 words
IN A HOBBING MACHINE COMPRISING A WORKHEAD INCLUDING A WORK-SUPPORTING SPINDLE ROTATABLY SUPPORTED ON SAID WORKHEAD, A HOB HEAD INCLUDING A ROTATABLE HOB DRIVE SHAFT ADAPTED TO SUPPORT AND ROTATE A HOB IN HOBBING RELATIONSHIP WITH A WORKPIECE ON SAID SPINDLE, MEANS SUPPORTING SAID HOB HEAD AND WORKHEAD FOR RELATIVE MOVEMENT PARALLEL TO THE AXIS OF SAID SPINDLE, A FIRST SERVODRIVE FOR EFFECTING ROTATION OF SAID SHAFT IN RESPONSE TO A VARIABLE CHARACTERISTIC OF A COMMAND SIGNAL INCLUDING A FIRST ROTARY MOTOR ON AND MOVABLE WITH SAID HOB HEAD AND HAVING A SUBSTANTIALLY DIRECTR DRIVE CONNECTION TO SAID SHAFT, DRIVE MEANS OPERABLE TO EFFECT A RELATIVE FEED MOVEMENT AXIALLY OF SAID SPINDLE BETWEEN SAID HOB HEAD AND WORKHEAD, A SECOND SERVODRIVE OPERABLE IN RESPONSE TO A VARIABLE CHARACTERISTIC OF A COMMAND SIGNAL AND CONNECTED TO SAID DRIVE MEANS TO EFFECT OPERATION THEREOF IN ACCORDANCE WITH THE VARIABLE CHARACTERISTIC OF THE COMMAND SIGNAL INCLUDING A SECOND ROTARY MOTOR, AND A THIRD SERVODRIVE OPERABLE IN RESPONSE TO COMMAND SIGNAL FOR EFFECTING ROTATION OF SAID WORK SPINDLE IN ACCORDANCE WITH A VARIABLE CHARACTERISTIC OF THE COMMAND SIGNAL AND INCLUDING A THIRD ROTARY MOTOR ON SAID WORKHEAD AND A SUBSTANTIALLY DIRECT DRIVE BETWEEN SAID THIRD ROTARY MOTOR AND SAID SPINDLE.
Claim 2
Dependent Claim
206 words
IN A HOBBING MACHINE COMPRISING A WORKHEAD INCLUDING A WORK-SUPPORTING SPINDLE ROTATABLY SUPPORTED ON SAID WORKHEAD, A HOB HEAD INCLUDING A ROTATABLE HOB DRIVE SHAFT ADAPTED TO SUPPORT AND ROTATE A HOB IN HOBBING RELATIONSHIP WITH A WORKPIECE ON SAID SPINDLE, MEANS SUPPORTING SAID HOB HEAD AND WORKHEAD FOR RELATIVE MOVEMENT PARALLEL TO THE AXIS OF SAID SPINDLE, A FIRST SERVODRIVE FOR EFFECTING ROTATION OF SAID SHAFT IN RESPONSE TO A VARIABLE CHARACTERISTIC OF A COMMAND SIGNAL INCLUDING A FIRST ROTARY MOTOR ON AND MOVABLE WITH SAID HOB HEAD AND HAVING A SUBSTANTIALLY DIRECTR DRIVE CONNECTION TO SAID SHAFT, DRIVE MEANS OPERABLE TO EFFECT A RELATIVE FEED MOVEMENT AXIALLY OF SAID SPINDLE BETWEEN SAID HOB HEAD AND WORKHEAD, A SECOND SERVODRIVE OPERABLE IN RESPONSE TO A VARIABLE CHARACTERISTIC OF A COMMAND SIGNAL AND CONNECTED TO SAID DRIVE MEANS TO EFFECT OPERATION THEREOF IN ACCORDANCE WITH THE VARIABLE CHARACTERISTIC OF THE COMMAND SIGNAL INCLUDING A SECOND ROTARY MOTOR, AND A THIRD SERVODRIVE OPERABLE IN RESPONSE TO COMMAND SIGNAL FOR EFFECTING ROTATION OF SAID WORK SPINDLE IN ACCORDANCE WITH A VARIABLE CHARACTERISTIC OF THE COMMAND SIGNAL AND INCLUDING A THIRD ROTARY MOTOR ON SAID WORKHEAD AND A SUBSTANTIALLY DIRECT DRIVE BETWEEN SAID THIRD ROTARY MOTOR AND SAID SPINDLE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-31 | 1969-08-02 | 1970-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-31 | 1973-08-02 | 1974-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-31 | 1977-08-02 | 1978-02-01 | $7700.00 | Window Closed / Lapsed |