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US3780822A Expired / Lapsed US ⏱️ 0.0 years remaining

Vehicular parking brake control with lockable release mechanism

Assignee: Caterpillar Inc
•
Filing: 1972-08-21
•
Granted: 1973-12-25
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Expires: 1992-08-21
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Abstract

Abstract A vehicular parking brake control and lockable release mechanism to permit securing of a parking brake control lever in an engaged position, including a locking member arranged within a structural enclosure for engagement with the brake lever in its engaged position and a control element for moving the locking member into and out of engagement with the brake lever, the control element being disposed on a in compartment.

Inventors

  • 👤 D Frey

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 20:19
CPC Classifications
B; B60; B60T; B60T7/00; B60T7/02; B60T7/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 192 words
A vehicular parking brake control and lockable release mechanism in a vehicular operator station having a control console structure with a compartment capable of being secured by the operator, comprising a brake lever movably mounted on the console structure for movement between positions corresponding to parking brake engagement and release, a locking member arranged with a closed portion of the conSole structure for mechanical locking engagement with the brake lever in its engaged position, the brake lever projecting out of the closed portion of the console structure through an elongated aperture in the structure to permit manual access to and manipulation of the brake lever, and mechanical means for moving the locking member into and out of engagement with the brake lever, the mechanical means including a control lever disposed in the securable compartment and operatively coupled with the locking member, the mechanical means for moving the locking member also including a spring interconnected between the locking member and console structure, the spring tending to move the locking member into locking engagement with the brake lever, the control lever being operable to release the locking member from engagement with the brake lever.
Claim 2
Dependent Claim 192 words
A vehicular parking brake control and lockable release mechanism in a vehicular operator station having a control console structure with a compartment capable of being secured by the operator, comprising a brake lever movably mounted on the console structure for movement between positions corresponding to parking brake engagement and release, a locking member arranged with a closed portion of the conSole structure for mechanical locking engagement with the brake lever in its engaged position, the brake lever projecting out of the closed portion of the console structure through an elongated aperture in the structure to permit manual access to and manipulation of the brake lever, and mechanical means for moving the locking member into and out of engagement with the brake lever, the mechanical means including a control lever disposed in the securable compartment and operatively coupled with the locking member, the mechanical means for moving the locking member also including a spring interconnected between the locking member and console structure, the spring tending to move the locking member into locking engagement with the brake lever, the control lever being operable to release the locking member from engagement with the brake lever.
Claim 3
Dependent Claim 32 words
The parking brake control and lockable release mechanism of claim 1 wherein the securable compartment includes a panel for mounting various instruments and controls, the control element being disposed on the panel.

References Cited (Backward Citations)

US3010531A Cited
US3003364A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1976-12-24 1977-06-25 1977-12-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-12-24 1981-06-25 1981-12-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-12-24 1985-06-25 1985-12-25 $7700.00 Window Closed / Lapsed

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