Power machine having safety mechanism

Details Power machine having safety mechanism Power machine having safety mechanism

1998-09-21

2000-05-02

Herrmann, Allan D.

Interrelated power delivery controls, including engine control

Brake control

Brake condition change modifies engine condition

30276, 30298, 74483R, 745513, 74489, 403 97, 403385, 477199, 477200, B60K 4120

Patent

active

06056668&

ABSTRACT:
A power machine comprises an output manipulation system for controlling an output of a power source given to a working member and a brake manipulation system for stopping the movement of the working member. A pair of output manipulation restriction portions is disposed between the output manipulation system and the brake manipulation system. The output manipulation restriction portions abut to each other so as to restrict output manipulation to the working member by an output manipulation member when the working member is in the braked state. Furthermore, a pair of brake manipulation restriction portions is disposed between the output manipulation system and the brake manipulation system. The pair of brake manipulation restriction portions abut to each other so as to restrict brake manipulation of the working member by a brake manipulation member during the power source gives the output to the working member. Thus, a damage of the machine or an energy loss due to a mismanipulation of the output manipulation member and the brake manipulation member is avoided.

REFERENCES:
patent: 2229056 (1941-01-01), Dick
patent: 3912056 (1975-10-01), Neal
patent: 4006528 (1977-02-01), Katsuya
patent: 4288171 (1981-09-01), Kottke
patent: 4761939 (1988-08-01), Zerrer
patent: 4900183 (1990-02-01), Souchko
patent: 5427465 (1995-06-01), Sato

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