US4422345A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-way control lever rotatable in cab wall for sound sealing
Assignee: Deere and Co
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Filing: 1981-09-11
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Granted: 1983-12-27
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Expires: 2001-09-11
Abstract
Abstract A two-way control lever includes a pair of shafts journalled in a cab wall for transmitting motion from a handle of the lever to control functions located exteriorly of the cab. The pair of shafts and their support bearings adequately seal holes provided in a cab wall section for their installation for preventing the transmission of noise therethrough.
Inventors
- 👤 Merlin G. Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:16
CPC Classifications
G; G05; G05G; G05G9/00; G05G9/02; G05G9/04; G05G9/047; G05G2009/04703; G05G2009/04714; G05G2009/04718; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20201
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
132 words
A two-way control lever mounted inside a cab for controlling functions exteriorly of the cab, comprising: said cab having a wall section provided with first and second holes respectively located in first and second vertical planes intersecting within the cab; first and second shafts respectively pivotally mounted in said first and second holes; first and second crank arms respectively fixed to said first and second shafts and having respective portions located for rotation in said second and first planes; and an upright handle having a first lower end portion mounted in said first crank arm for rotation about a first axis located in the second vertical plane and having a second lower end portion mounted in said second crank arm for rotation about a second axis located in the first vertical plane.
Claim 2
Dependent Claim
132 words
A two-way control lever mounted inside a cab for controlling functions exteriorly of the cab, comprising: said cab having a wall section provided with first and second holes respectively located in first and second vertical planes intersecting within the cab; first and second shafts respectively pivotally mounted in said first and second holes; first and second crank arms respectively fixed to said first and second shafts and having respective portions located for rotation in said second and first planes; and an upright handle having a first lower end portion mounted in said first crank arm for rotation about a first axis located in the second vertical plane and having a second lower end portion mounted in said second crank arm for rotation about a second axis located in the first vertical plane.
Claim 3
Dependent Claim
36 words
The control lever defined in claim 1 wherein the first and second crank arms are each in the form of a yoke; and said handle being located centrally between opposite legs of each of the yokes.
References Cited (Backward Citations)
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US3095754A
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US3179755A
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US3765500A
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US3757597A
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US4027547A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-12-26 | 1987-06-27 | 1987-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-12-26 | 1991-06-27 | 1991-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-12-26 | 1995-06-27 | 1995-12-27 | $7700.00 | Window Closed / Lapsed |