US3091979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power transmission
Assignee: United Shoe Machinery Corp
•
Filing: 1961-05-08
•
Granted: 1963-06-04
•
Expires: 1981-05-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Hans F Schaefer
- 👤 Frederic B Jennings
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:07
CPC Classifications
F; F16; F16H; F16H49/00; F16H49/001; F16H2049/003; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19633
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
144 words
IN A HARMONIC DRIVE TYPE TRANSMISSION WHEREIN A WAVE GENERATOR PROGRESSIVELY RADIALLY DEFLECTS A FLEXIBLE GEAR INTO ENGAGEMENT WITH A RING GEAR TO EFFECT ROTATION OF A DRIVEN MEMBER; MEANS MOUNTING THE FLEXIBLE GEAR FOR ROTATION ABOUT AN AXIS SUBSTANTIALLY COMMON TO THE FLEXIBLE GEAR AND THE RING GEAR, SAID MOUNTING MEANS EXTENDING ALONG THE AXIS AND COMPRISING A TUBULAR EXTENSION FLARED OUTWARDLY FROM SAID AXIS, AND AN AXIALLY FLEXIBLE PLANAR END PORTION NORMAL TO THE AXIS FORMING A DRIVING CONNECTION BETWEEN THE EXTENSION AND SAID DRIVEN MEMBER, THE WALL OF SAID EXTENSION BEING OF SUCH THICKNESS AND AXIAL FLEXIBILITY THAT, AS A CONSEQUENCE OF THE RADIAL DEFLECTION, PERIPHERAL POINTS THEREON OUTWARDLY FROM SAID ENGAGEMENT ARE DECREASINGLY DISPLACED RADIALLY AND INCREASINGLY AXIALLY, AND SAID WALL TERMINATING SUBSTANTIALLY IN THE LOCALITIES WHERE THE POINTS UNDERGO ONLY AXIAL DISPLACEMENT EFFECTING CORRESPONDING FLEXURE OF SAID END PORTION.
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) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |