Patent US2475916A successfully refreshed from Google Patents.
Patent US3110225A successfully refreshed from Google Patents.
US3110225A
Expired / Lapsed
US
⏱️ 0.0 years remaining
carlsen etal
Assignee: —
•
Filing: 1957-12-30
•
Granted: 1963-11-12
•
Expires: 1977-12-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:24
CPC Classifications
B; B23; B23F; B23F19/00; B23F19/002; B23F19/005; B23F23/00; B23F23/12; B23F23/1237; B23F23/125; B23F9/00; B23F9/08; B23F9/10; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/107791; Y10T409/10795; Y10T409/108109; Y10T409/108268
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
70 words
THE METHOD OF PRODUCING A NON-GENERATED SPIRAL BEVEL OR HYPOID GEAR WITH A ROTARY TOOL, WHICH COMPRISES EFFECTING A RELATIVE OSCILLATION BETWEEN THE TOOL AND WORK IN THE DIRECTION OF THE AXIS OF ROTATION OF THE TOOL AS THE FINISH CUTTING PORTION OF THE TOOL TRAVERSES THE GEAR IN AN ARCUATE PATH FROM END TO END OF THE GEAR TEETH, THE REVERSAL POINT OF THE OSCILLATION OCCURRING DURING SUCH TRAVERSAL.
Claim 2
Independent Claim
70 words
THE METHOD OF PRODUCING A NON-GENERATED SPIRAL BEVEL OR HYPOID GEAR WITH A ROTARY TOOL, WHICH COMPRISES EFFECTING A RELATIVE OSCILLATION BETWEEN THE TOOL AND WORK IN THE DIRECTION OF THE AXIS OF ROTATION OF THE TOOL AS THE FINISH CUTTING PORTION OF THE TOOL TRAVERSES THE GEAR IN AN ARCUATE PATH FROM END TO END OF THE GEAR TEETH, THE REVERSAL POINT OF THE OSCILLATION OCCURRING DURING SUCH TRAVERSAL.
Claim 3
Dependent Claim
99 words
A MACHINE FOR CUTTING SPIRAL BEVEL OR HYPOID GEARS, COMPRISING AN ANGULARLY MOVABLE ELEMENT FOR CARRYING A TOOL IN AN ARCUATE PATH CROSS THE WORKPIECE, AND MEANS FOR RECIPROCATING SAID ELEMENT ALONG ITS AXIS OF ANGULAR MOTION IN SUCH RELATION TO THE ANGULAR MOTION THAT ONE STROKE OF SUCH RECIPROCATION, OCCURRING WHILE A FINISH CUTTING PORTION OF THE TOOL TRAVERSES THE WORKPIECE IN TAKING ITS FINISHING CUT OF A WORKING TOOTH SIDE, IS AT A VARYING RATE RELATIVE TO THE ANGULAR MOTION, WHEREBY SAID FINISH CUTTING PORTION WHILE SO TRAVERSING THE WORKPIECE FOLLOWS A HELICAL PATH OF VARYING LEAD.
Claim 4
Dependent Claim
99 words
A MACHINE FOR CUTTING SPIRAL BEVEL OR HYPOID GEARS, COMPRISING AN ANGULARLY MOVABLE ELEMENT FOR CARRYING A TOOL IN AN ARCUATE PATH CROSS THE WORKPIECE, AND MEANS FOR RECIPROCATING SAID ELEMENT ALONG ITS AXIS OF ANGULAR MOTION IN SUCH RELATION TO THE ANGULAR MOTION THAT ONE STROKE OF SUCH RECIPROCATION, OCCURRING WHILE A FINISH CUTTING PORTION OF THE TOOL TRAVERSES THE WORKPIECE IN TAKING ITS FINISHING CUT OF A WORKING TOOTH SIDE, IS AT A VARYING RATE RELATIVE TO THE ANGULAR MOTION, WHEREBY SAID FINISH CUTTING PORTION WHILE SO TRAVERSING THE WORKPIECE FOLLOWS A HELICAL PATH OF VARYING LEAD.
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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) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |