Machine element or mechanism – Control lever and linkage systems – Foot operated
Reexamination Certificate
2006-11-30
2008-03-04
Johnson, Vicky A. (Department: 3682)
Machine element or mechanism
Control lever and linkage systems
Foot operated
Reexamination Certificate
active
07337692
ABSTRACT:
An electronically controlled pedal assembly with hysteresis includes a mounting bracket and pedal arm and a pedal support arm extending therebetween. The pedal arm is pivotally mounted to the pedal support arm at a pedal arm pivot point. The pedal support arm is pivotally mounted to the mounting bracket at a pedal support arm pivot point. A hysteresis generating means is operatively supported by the support arm at the pedal support arm pivot point, and includes a torsion spring and a friction spacer having a cylindrical portion and an outer helical flange. The friction spacer is disposed within the torsion spring such that the outer flange of the friction spacer fits between the coils of the coil spring. Rotation of the support arm creates a frictional hysteresis force between the torsion spring and the friction spacer that is translated back through the pedal arm.
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Pub-No.: EP 000 748 713 A2; Document Identifier EP 748 713 A2: Title: Accelerator pedal installation; Pub. date Dec. 18, 1996; and inventor: Helnrich Berglar. English Abstract.
Kolwich Gregory Scott
Mischenko Peter
O'Neill Dan
Sotenos Rob
Willemsen Larry
Gifford, Krass, Sprinkle, Anderson & Citowski, P.C.
Johnson Vicky A.
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