| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a brake mechanism enabling an operator to lock and unlock all the casters of a body frame by stepping on a brake pedal. <P>SOLUTION: The brake mechanism is configured so that locking and unlocking operations can be executed by upward and downward movement of the brake pedal attached to the body frame, a holding mechanism for urging the brake pedal on the upper movement side by a spring to hold the locking state of the brake against the urging force is provided, and the holding state in the holding mechanism is released by stepping on the brake pedal again. <P>COPYRIGHT: (C)2012,JPO&INPIT |
