US4297914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control lever gate with lever restraint
Assignee: Komatsu America International Co
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Filing: 1980-05-12
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Granted: 1981-11-03
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Expires: 2000-05-12
Abstract
Abstract A shift gate 22 allowing movement of a control lever 12 in a fore and aft plane is provided with a pivotable plate 46 having a recess 60 located in the midsection of said pivotable plate corresponding to a neutral position of a control lever. The control lever 12 will be locked in neutral when the pivotable plate is swung into position and an attached security knob 56 draws the pivotable plate 46 into a restrained position.
Inventors
- 👤 John E. Klem
- 👤 Daniel E. Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:57
CPC Classifications
G; G05; G05G; G05G5/00; G05G5/02; G05G5/005; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5611; Y10T70/569; Y10T70/573; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20018; Y10T74/2014; Y10T74/20159; Y10T74/20177; Y10T74/20576; Y10T74/20636; Y10T74/20666
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
279 words
In a vehicle having a control lever capable of being moved in fore and aft directions and including a neutral location, a lever restraint for restraining said control lever in said neutral position comprising: a rigid cover plate provided with an elongated slot for accommodating said control lever in the range of said control lever fore and aft directions, a transverse arcuate slot at an end of said elongated slot, a bore through said rigid cover plate located adjacent said slot at the upper end thereof opposite said transverse arcuate slot; a bolt and nut fastener positioned in said bore of said rigid cover plate defining an arcuate center point; a pivotable plate pivotally attached to the back side of said rigid cover plate by said bolt and nut fastener, said pivotable plate being generally "L" shaped and provided with an upper aperture in an end of a short leg of said "L" shape and a threaded lower aperture in the end of a long leg of said "L" shape, and a trap slot in a mid-section of said long leg of said "L" shape pivotable plate; a bushing carried in said upper aperture of said pivotable plate, said bushing having a length greater than the width of said pivotable plate; a security knob having a threaded stud passing through said rigid cover plate and threaded into said threaded lower aperture of said pivotable plate whereby said pivotable plate may be pivoted around said bolt and said control lever, when in the neutral position, will be trapped in said trap slot of said pivotable plate and whereby tightening of said security knob will prevent movement of said pivotable plate.
Claim 2
Dependent Claim
279 words
In a vehicle having a control lever capable of being moved in fore and aft directions and including a neutral location, a lever restraint for restraining said control lever in said neutral position comprising: a rigid cover plate provided with an elongated slot for accommodating said control lever in the range of said control lever fore and aft directions, a transverse arcuate slot at an end of said elongated slot, a bore through said rigid cover plate located adjacent said slot at the upper end thereof opposite said transverse arcuate slot; a bolt and nut fastener positioned in said bore of said rigid cover plate defining an arcuate center point; a pivotable plate pivotally attached to the back side of said rigid cover plate by said bolt and nut fastener, said pivotable plate being generally "L" shaped and provided with an upper aperture in an end of a short leg of said "L" shape and a threaded lower aperture in the end of a long leg of said "L" shape, and a trap slot in a mid-section of said long leg of said "L" shape pivotable plate; a bushing carried in said upper aperture of said pivotable plate, said bushing having a length greater than the width of said pivotable plate; a security knob having a threaded stud passing through said rigid cover plate and threaded into said threaded lower aperture of said pivotable plate whereby said pivotable plate may be pivoted around said bolt and said control lever, when in the neutral position, will be trapped in said trap slot of said pivotable plate and whereby tightening of said security knob will prevent movement of said pivotable plate.
Claim 3
Dependent Claim
34 words
The invention in accordance with claim 1, wherein said rigid cover plate is provided with a circular depression at one end of said transverse arcuate slot defining a disengaged position of said pivotable plate.
Claim 4
Dependent Claim
46 words
The invention in accordance with claim 2, wherein said security knob is provided with a pedestal portion having a diameter slightly smaller than said circular depression whereby said pedestal portion will be accommodated in said circular depression when said pivotable plate is in a disengaged position.
Claim 5
Dependent Claim
28 words
The invention in accordance with claim 2, wherein said rigid cover plate is provided with a raised plateau on the back side thereof obverse to said circular depression.
Claim 6
Dependent Claim
26 words
The invention in accordance with claim 4, wherein said pivotable plate will contact the back side of said rigid cover plate only at said raised plateau.
Claim 7
Dependent Claim
46 words
The invention in accordance with claim 1, wherein said rigid cover plate is mounted to a console at a non-horizontal angle with said bolt vertically elevated above said security knob whereby said pivotable plate will rotate toward said elongated slot when said security knob is released.
Claim 8
Dependent Claim
24 words
The invention in accordance with claim 1, wherein said rigid cover plate is provided with a second elongated slot adjacent said first elongated slot.
References Cited (Backward Citations)
US2246919A
Cited
US4077276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-11-02 | 1985-05-04 | 1985-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-02 | 1989-05-04 | 1989-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-02 | 1993-05-04 | 1993-11-03 | $7700.00 | Window Closed / Lapsed |