US3727481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable ratio control lever
Assignee: Individual
•
Filing: 1971-04-08
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Granted: 1973-04-17
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Expires: 1991-04-08
Abstract
Abstract Two camming pins are mounted on a pivoting control lever so as to slide into slots in a pivotable actuating member upon rotation of the lever, the sliding action operable to rotate the actuating member only slightly at first but more so as the throw of the control lever is increased.
Inventors
- 👤 J Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:38
CPC Classifications
G; G05; G05G; G05G7/00; G05G7/02; G05G7/04; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18856; Y10T74/20; Y10T74/20207; Y10T74/20213; Y10T74/20396; Y10T74/20558; Y10T74/20576; Y10T74/20582; Y10T74/20612; Y10T74/20618
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
93 words
A variable ratio control lever comprising in combination: a base member; a lever arm pivoted on said base member, said lever arm having at least one camming pin connected thereto extending generally out of the plane in which said lever arm pivots; an actuating member pivoted on said base member and having at least one slot therein positioned to accept said camming pin upon the pivoting of said lever arm, said actuating member being moved by said camming pin; and connecting means for linking the actuating member to the device to be controlled.
Claim 2
Dependent Claim
93 words
A variable ratio control lever comprising in combination: a base member; a lever arm pivoted on said base member, said lever arm having at least one camming pin connected thereto extending generally out of the plane in which said lever arm pivots; an actuating member pivoted on said base member and having at least one slot therein positioned to accept said camming pin upon the pivoting of said lever arm, said actuating member being moved by said camming pin; and connecting means for linking the actuating member to the device to be controlled.
Claim 3
Dependent Claim
65 words
The control lever of claim 1 in which said lever arm has a camming pin on each side of the pivot point of said lever arm and said actuating member has two slots the entrances to said slots being spaced the same distance apart as said camming pins so as to accept one pin in one slot and the other pin in the other slot.
Claim 4
Dependent Claim
33 words
The control lever of claim 2 in which said connecting means comprises an extension member adjustably mounted to said actuating member so as to allow connection to the controlled device from any angle.
Claim 5
Dependent Claim
16 words
The apparatus of claim 3 including means to connect said lever arm to other remote levers.
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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |