Switch mechanism with mechanical lock out

Details Switch mechanism with mechanical lock out Switch mechanism with mechanical lock out

1996-06-25

1998-06-23

Till, Terrence

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 98, 15DIG10, 200 4317, 451350, A47L 1162

Patent

active

057687358

ABSTRACT:
A rotary floor machine having a base, a pole handle, a pole structure, a handlebar, a trigger bar, and a lock-out device. The pole handle is pivotally secured to the base and is movable between a vertical position and a rear angular position. The pole structure is secured to the pole handle. The handlebar is secured to the pole structure so as to be substantially perpendicular to the pole handle. The trigger bar controls the starting and stopping of the rotary floor machine and is mounted to the handlebar so as to be movable between proximate and distal positions relative to the handlebar. The trigger bar starts the rotary floor machine when in the proximate position and stops the rotary floor machine when in the distal position. The lock-out device has an element that is movable between a blocking position and an un-blocking position in response to movement of the pole handle between the vertical position and the rear angular position. When the element is in the blocking position, the element blocks the movement of the trigger bar from the distal position to the proximate position. When the element is in the un-blocking position, the element does not block the movement of the trigger bar to the proximate position.

REFERENCES:
patent: 1930117 (1933-10-01), Yutzler
patent: 2041748 (1936-05-01), Engberg et al.
patent: 3236985 (1966-02-01), Ernolf
patent: 3604878 (1971-09-01), Amis, Jr.
patent: 3889774 (1975-06-01), Schwenk
patent: 4174473 (1979-11-01), Brenneman
patent: 4435870 (1984-03-01), Tucker et al.
patent: 4542551 (1985-09-01), Phillips
patent: 4618746 (1986-10-01), Schwob et al.
patent: 4900881 (1990-02-01), Fischer
patent: 5261140 (1993-11-01), Szymanski
patent: 5369236 (1994-11-01), Nickels, Jr.
patent: 5435035 (1995-07-01), Fujimoto et al.

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