US3102218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plural motor remote control system
Assignee: Crown Equipment Corp
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Filing: 1960-06-30
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Granted: 1963-08-27
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Expires: 1980-06-30
Abstract
No abstract record available.
Inventors
- 👤 Paul A Dicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:18
CPC Classifications
G; G05; G05D; G05D3/00; G05D3/12; G05D3/14; G05D3/16; H; H01; H01Q; H01Q3/00; H01Q3/005; Y; Y10; Y10T; Y10T24/00; Y10T24/47; Y10T24/4755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A CONTROL MECHANISM FOR A REMOTELY MOUNTED MOTOR COMPRISING IN COMBINATION: A HOUSING; A PROXIMAL ELECTRIC MOTOR IN THE HOUSING, SAID PROXIMAL MOTOR BEING CONNECTED IN PARALLEL WITH THE REMOTELY MOUNTED MOTOR; A SOURCE OF ELECTRICAL ENERGY; A SWITCH MECHANISM DRIVEN BY THE PROXIMAL MOTOR, SAID SWITCH MECHANISM HAVING THREE POSITONS; NAMELY A FORWARD POSITION, A REVERSE POSITION AND AN OPEN POSITION; AND MEANS FOR ACTUATING THE SWITCH MECHANISM INTO ANY ONE OF THE THREE POSITIONS; SAID MEANS INCLUDING A CAM FOLLOWER ACTUATING THE SWITCH MECHANISM INTO THE VARIOUS POSITIONS AND A CAM MEMBER HAVING TWO CONCENTRIC CAM SURFACES, ONE OF WHICH HAS A LARGER RADIUS THAN THE OTHER, AND A DIAGONAL CAM SURFACE FOR CONNECTING ADJACENT ENDS OF THE CONCENTRIC CAM SURFACES, THE CAM FOLLOWER WHEN CONTACTING ONE OF THE CONCENTRIC CAM SURFACES CONNECTING THE MOTORS TO THE SOURCE OF ELECTRICAL ENERGY TO DRIVE THE CAM FOLLOWER TOWARD THE DIAGONAL CAM SURFACE TO THEREBY ACTUATE THE SWITCH MECHANISM INTO THE OPEN POSITION TO STOP ROTATION OF BOTH MOTORS.
Claim 2
Dependent Claim
169 words
A CONTROL MECHANISM FOR A REMOTELY MOUNTED MOTOR COMPRISING IN COMBINATION: A HOUSING; A PROXIMAL ELECTRIC MOTOR IN THE HOUSING, SAID PROXIMAL MOTOR BEING CONNECTED IN PARALLEL WITH THE REMOTELY MOUNTED MOTOR; A SOURCE OF ELECTRICAL ENERGY; A SWITCH MECHANISM DRIVEN BY THE PROXIMAL MOTOR, SAID SWITCH MECHANISM HAVING THREE POSITONS; NAMELY A FORWARD POSITION, A REVERSE POSITION AND AN OPEN POSITION; AND MEANS FOR ACTUATING THE SWITCH MECHANISM INTO ANY ONE OF THE THREE POSITIONS; SAID MEANS INCLUDING A CAM FOLLOWER ACTUATING THE SWITCH MECHANISM INTO THE VARIOUS POSITIONS AND A CAM MEMBER HAVING TWO CONCENTRIC CAM SURFACES, ONE OF WHICH HAS A LARGER RADIUS THAN THE OTHER, AND A DIAGONAL CAM SURFACE FOR CONNECTING ADJACENT ENDS OF THE CONCENTRIC CAM SURFACES, THE CAM FOLLOWER WHEN CONTACTING ONE OF THE CONCENTRIC CAM SURFACES CONNECTING THE MOTORS TO THE SOURCE OF ELECTRICAL ENERGY TO DRIVE THE CAM FOLLOWER TOWARD THE DIAGONAL CAM SURFACE TO THEREBY ACTUATE THE SWITCH MECHANISM INTO THE OPEN POSITION TO STOP ROTATION OF BOTH MOTORS.
References Cited (Backward Citations)
US2712106A
Cited
DE960113C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |