Combined pedal force switch and position sensor

• US 5,416,295 A
• Filed: 12/18/1992
• Issued: 05/16/1995
• Est. Priority Date: 12/18/1992
• Status: Expired due to Fees

• Current Assignee: CTS Corporation
• Original Assignee: CTS Corporation
• Inventors: White, James E., Zdanys, John Jr.
• Primary Examiner(s): Pellinen, A. D.
• Assistant Examiner(s): Friedhofer, Michael A.
• Application Number:
  US07/993,191
• Time in Patent Office: 879 Days
• Field of Search: 200/86.5, 200/86 R, 200/85 R, 200/61.89, 74/512, 74/514, 74/560, 74/561, 338/153
• US Class Current: 200/86.5
• CPC Class Codes: G05G 1/38 comprising means to continuously detect pedal position
• CPC Class Codes: H01H 21/26 adapted for operation by a part of the human body other than the hand, e.g. by foot
• CPC Class Codes: H01H 3/0213 Combined operation of electric switch and variable impedance, e.g. resistor, capacitor H01H9/061 takes precedence
• CPC Class Codes: Y10T 74/20888 Pedals

Abstract

A pedal bracket assembly translates pedal motion into a first switching motion without change of position being sensed by a position sensor. Additional pedal motion does not further change the switch position, but is translated into motion sensed by the position sensor. In this way, the switching function and position transducer functions are maintained independent one from the other, while allowing the two functions to be combined into a single sensor assembly.

Claims

1. An integrally combined position and force sensor comprising:

a position sensor means for detecting a first position of a rotary shaft relative to said position and force sensor and producing a detected position output;

a switching means positioned radially from and actuated along an axis perpendicular and offset from said position sensor means, wherein rotation of said combined sensor relative to a fixture results in an actuation of said switching means without a change in said detected position output, while rotation of said rotating shaft relative to said combined sensor changes said detected position output without actuating said switching means.

2. The integrally combined position and force sensor of claim 1 wherein said position sensor means comprises a rotary contacting potentiometer.

3. The integrally combined position and force sensor of claim 1 wherein said switching means comprises a dome switch.

4. The integrally combined position and force sensor of claim 1 wherein said position sensor means comprises a rotary contacting potentiometer and said switching means comprises a dome switch.