Patent US4023004A successfully refreshed from Google Patents.
Patent US3289797A successfully refreshed from Google Patents.
US3289797A
Expired / Lapsed
US
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Rotary motion control device
Assignee: WEHR STEEL CO
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Filing: 1962-09-10
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Granted: 1966-12-06
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Expires: 1982-09-10
Abstract
No abstract record available.
Inventors
- 👤 Donald E Brzezinski
- 👤 Newton I Potter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:14
CPC Classifications
F; F16; F16D; F16D59/00; F16D59/02; F16D55/00; F16D55/24; F16D55/26; F16D55/36; F16D65/00; F16D65/02; F16D65/12; F16D65/38; F16D65/40; F16D65/52; F16D65/56; F16D65/567; F16D2065/13; F16D2065/1304; F16D2065/1308; F16D2065/134; F16D2065/1356; F16D2065/1368; F16D69/00; F16D2069/004; F16D2125/00; F16D2125/18; F16D2125/58; F16D2125/64; F16D65/78
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN ROTARY MOTION CONTROL APPARATUS INCLUDING IN ACTUATOR AND A PLURALITY OF ALTERNATELY ARRANGED NORMALLY STATIONARY AND ROTATABLE DISKS, MEANS FOR TRANSMITTING MOVEMENT BETWEEN SAID ACTUATOR AND DISKS TO ALTERNATELY CLAMP SAID DISKS AGAINST AND RELEASE SAID DISKS FOR RELATIVE ROTATIONAL MOVEMENT, SAID MEANS COMPRISING AN ELONGATED PRESSURE ARM CONNECTED TO SAID ACTUATOR MEANS CONNECTING SAID PRESSURE ARM FOR PIVOTAL MOVEMENT ABOUT ONE OF ITS ENDS AND FOR ROTATIONAL MOVEMENT ABOUT ITS LONGITUDINAL AXIS, A PRESSURE PLATE ENGAGEABLE WITH SAID DISKS TO EFFECTUATE SAID ALTERNATE MOVEMENT, AND MEANS CONNECTING SAID PRESSURE PLATE ENGAGEABLE WITH SAID MOVEMENT THEREWITH AND FOR PIVOTAL MOVEMENT RELATIVE THERETO ABOUT AN AXIS EXTENDING GENERALLY NORMAL TO SAID LONGITUDINAL AXIS.
Claim 2
Dependent Claim
113 words
IN ROTARY MOTION CONTROL APPARATUS INCLUDING IN ACTUATOR AND A PLURALITY OF ALTERNATELY ARRANGED NORMALLY STATIONARY AND ROTATABLE DISKS, MEANS FOR TRANSMITTING MOVEMENT BETWEEN SAID ACTUATOR AND DISKS TO ALTERNATELY CLAMP SAID DISKS AGAINST AND RELEASE SAID DISKS FOR RELATIVE ROTATIONAL MOVEMENT, SAID MEANS COMPRISING AN ELONGATED PRESSURE ARM CONNECTED TO SAID ACTUATOR MEANS CONNECTING SAID PRESSURE ARM FOR PIVOTAL MOVEMENT ABOUT ONE OF ITS ENDS AND FOR ROTATIONAL MOVEMENT ABOUT ITS LONGITUDINAL AXIS, A PRESSURE PLATE ENGAGEABLE WITH SAID DISKS TO EFFECTUATE SAID ALTERNATE MOVEMENT, AND MEANS CONNECTING SAID PRESSURE PLATE ENGAGEABLE WITH SAID MOVEMENT THEREWITH AND FOR PIVOTAL MOVEMENT RELATIVE THERETO ABOUT AN AXIS EXTENDING GENERALLY NORMAL TO SAID LONGITUDINAL AXIS.
References Cited (Backward Citations)
US2174395A
Cited
US2555183A
Cited
US2549217A
Cited
US2700439A
Cited
US2905277A
Cited
US2816631A
Cited
US2939551A
Cited
US3095068A
Cited
US3171514A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |