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Hand lever parking brake for motor vehicle, having reduced operating force required of the user

  • US 5,528,957 A
  • Filed: 01/14/1994
  • Issued: 06/25/1996
  • Est. Priority Date: 01/19/1993
  • Status: Expired due to Fees
First Claim
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1. A parking brake mechanism for a vehicle, said vehicle having a chassis, said parking brake mechanism having a base (3) designed to be solidly attached with the chassis of the vehicle, said parking brake mechanism comprising a lever articulated onto an articulation spindle wherein said articulation spindle is integral with said base, wherein said lever is connected to at least one actuation cable (7), said at least one cable entering said base at a first end of said base, said parking brake mechanism further including means for locking said lever in a predetermined angular position, wherein said lever further includes a linkage element (9) for linkage with an end (7a) of said at least one cable, said base (3) being profiled so as to form a ramp (11) for limiting the displacement of said linkage element during operations of the lever, said ramp being limited by a stop (11b) for retaining said lever in a raised brake actuated position, said ramp positioned on said base at a second position distant from said first end of said base said linkage element offset from said articulation spindle such that said end of said at least one cable translates in an arched path as said lever is articulated from a rest position to said actuated position, said articulation spindle at all times mechanically disposed between said linkage element and said first end of said base, said at least one cable lying along a centerline bisecting said articulation spindle and said linkage element when said lever is in said actuated position.

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