Patent US3078407A successfully refreshed from Google Patents.
US3078407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible motor drive mechanism
Assignee: Franklin Electric Co Inc
•
Filing: 1960-02-29
•
Granted: 1963-02-19
•
Expires: 1980-02-29
Abstract
No abstract record available.
Inventors
- 👤 Edward J Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:47
CPC Classifications
F; F16; F16H; F16H1/00; F16H1/02; F16H1/04; F16H1/12; F16H1/16; E; E05; E05F; E05F15/00; E05F15/40; E05F15/41; H; H01; H01H; H01H35/00; H01H35/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
THE COMBINATION OF DRIVE MECHANISM INCLUDING A MOTOR OPERABLE IN FORWARD AND REVERSE DIRECTIONS, AND A SHAFT DRIVEN BY SAID MOTOR AND LONGITUDINALLY MOVABLE IN RESPONSE TO A PREDETERMINED LOAD THEREON WHEN THE MOTOR IS OPERATING IN SAID REVERSE DIRECTION, CIRCUIT MEANS FOR OPERATING SAID MOTOR IN SAID FORWARD AND REVERSE DIRECTIONS INCLUDING MANUALLY CONTROLLED MEANS FOR INITIATING OPERATION IN EITHER DIRECTION AND MEANS FOR CHANGING THE DIRECTION OF MOTOR OPERATION DURING OPERATION, AND SAFETY MEANS OPERABLE IN RESPONSE TO SAID LONGITUDINAL MOVEMENT OF SAID SHAFT WHEN THE MOTOR IS OPERATING IN THE REVERSE DIRECTION AND COOPERATING WITH SAID DIRECTION CHANGING MEANS TO ACTUATE SAID DIRECTION CHANGING MEANS, THEREBY STOPPING OPERATION OF THE MOTOR IN THE REVERSE DIRECTION AND INITIATING OPERATION IN THE FORWARD DIRECTION WHEN SAID PREDETERMINED LOAD OCCURS.
Claim 2
Dependent Claim
130 words
THE COMBINATION OF DRIVE MECHANISM INCLUDING A MOTOR OPERABLE IN FORWARD AND REVERSE DIRECTIONS, AND A SHAFT DRIVEN BY SAID MOTOR AND LONGITUDINALLY MOVABLE IN RESPONSE TO A PREDETERMINED LOAD THEREON WHEN THE MOTOR IS OPERATING IN SAID REVERSE DIRECTION, CIRCUIT MEANS FOR OPERATING SAID MOTOR IN SAID FORWARD AND REVERSE DIRECTIONS INCLUDING MANUALLY CONTROLLED MEANS FOR INITIATING OPERATION IN EITHER DIRECTION AND MEANS FOR CHANGING THE DIRECTION OF MOTOR OPERATION DURING OPERATION, AND SAFETY MEANS OPERABLE IN RESPONSE TO SAID LONGITUDINAL MOVEMENT OF SAID SHAFT WHEN THE MOTOR IS OPERATING IN THE REVERSE DIRECTION AND COOPERATING WITH SAID DIRECTION CHANGING MEANS TO ACTUATE SAID DIRECTION CHANGING MEANS, THEREBY STOPPING OPERATION OF THE MOTOR IN THE REVERSE DIRECTION AND INITIATING OPERATION IN THE FORWARD DIRECTION WHEN SAID PREDETERMINED LOAD OCCURS.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |