Actuation responsive brake pedal pad assembly

Details Actuation responsive brake pedal pad assembly Actuation responsive brake pedal pad assembly

1990-04-18

1992-05-19

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310800, 341 34, 303DIG3, H01L 4108

Patent

active

051151626

ABSTRACT:
A pressure sensitive pad assembly for a brake pedal having in one embodiment a pair of plastic films with metallized surfaces spaced apart by apertured spaces and embedded in an elastomeric pad to be placed on a brake pedal. Application of a brake actuating force on the pad causes the elastomer to deform closing contact between the metallized surfaces for actuating a brake light. In another embodiment a pressure sensitive transducer pad assembly has embedded in elastomeric material, a plurality of piezoelectric strips which are deformed, upon application of a brake actuating force to the pad, for providing an electrical signal indicative of the magnitude of the brake actuating force. In another embodiment an elastomeric pad spans a shallow recess in a support with piezoelectric material provided on the spanning surface and deformation of the pad into the recess deforms the piezoelectric material to provide a brake actuating force signal.

REFERENCES:
patent: 3239696 (1966-03-01), Burkhalter et al.
patent: 3395485 (1976-01-01), Yoshida et al.
patent: 4190785 (1980-02-01), Kompanek
patent: 4521712 (1985-06-01), Braun et al.
patent: 4618797 (1986-10-01), Cline
patent: 4857887 (1989-08-01), Item

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