Locking mechanism for a rotary power machine

Details Locking mechanism for a rotary power machine Locking mechanism for a rotary power machine

B - Operations, Transporting

23

Q

188/6

B23Q 11/00 (2006.01) B24B 23/02 (2006.01) B24B 45/00 (2006.01) B25F 5/00 (2006.01)

Patent

CA 1240933

LOCKING MECHANISM FOR A ROTARY POWER MACHINE ABSTRACT OF THE DISCLOSURE A locking mechanism for a rotary power machine, such as a hand-held power tool, includes a housing- mounted locking pin manually actuatable from a retracted position to an extended, operative position in which the lock pin is received within a pin-receiving bore formed in one of the power transmitting components of the mach- ine. A wedge-like cam or ramp is positioned adjacent to the pin-receiving bore to engage the extended end of the lock pin when the rotating components of the machine are in motion to lift the lock pin away from the pin- receiving bore to prevent accidental engagement of the locking mechanism while machine components are moving. In the preferred embodiment, an output gear is provided with a plurality of ramps and associated pin-reciving bores and is formed as a unitary part using powdered metal fabricating techniques.

456699

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