Lost motion foot pedal linkage

Details Lost motion foot pedal linkage Lost motion foot pedal linkage

1997-12-01

1999-02-23

Spisich, Mark

Brushing, scrubbing, and general cleaning

Machines

Brushing

15320, 153401, 153403, A47L 1130

Patent

active

058731385

ABSTRACT:
An operator controlled scrubbing machine includes a body, wheels for supporting the body, a scrub brush on the body and a mechanism for raising and lowering the scrub brush. There is a squeegee on the body and a mechanism for raising and lowering the squeegee. The body includes a drive for moving the machine in forward and reverse directions and an operator controlled foot pedal for controlling the drive. There is a connection between the foot pedal and the drive providing for limited foot pedal movement prior to translating foot pedal movement into machine movement. There is a first sensor to sense machine forward movement of the foot pedal, which sensor is connected to the mechanism for raising and lowering the scrub brush. There is a second sensor to sense machine reverse movement, with the second sensor being connected to the mechanism for raising and lowering the squeegee. The first and second sensors are positioned to sense foot pedal machine forward and foot pedal machine reverse movements prior to such movements being translated into machine forward and machine reverse movements so that the scrub brush will be lowered prior to the machine moving forward and the squeegee will be raised prior to the machine moving in a reverse direction.

REFERENCES:
patent: 2300280 (1942-10-01), Teager
patent: 2829391 (1958-04-01), Swanson et al.
patent: 3105991 (1963-10-01), Oberg
patent: 3461479 (1969-08-01), Tierney
patent: 4194263 (1980-03-01), Herpers et al.

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