Automatic lock for two mode piston pump

Details Automatic lock for two mode piston pump Automatic lock for two mode piston pump

1982-11-09

1985-02-12

Bonck, Rodney H.

Machine element or mechanism

Alternate manual or power operators

74527, 74570, 403355, 417374, F04B 3500

Patent

active

044983549

ABSTRACT:
A two mode operable piston pump has a cam lock with a shaft biased into the drive axial passage of a cam shaft to lock the cam shaft to a lever body, a lock edge on the lever body engaging a flat on a head portion of the cam lock. Inserting a power tool into the drive axial passage opposite the head pushes the shaft up and releases the cam shaft for operation of the pump in a power mode.

REFERENCES:
patent: 718001 (1903-01-01), Jones
patent: 1098520 (1914-06-01), Myers
patent: 2426001 (1947-08-01), Denault
patent: 2684488 (1954-07-01), Snyder
patent: 4194412 (1980-03-01), Boyer
patent: 4318442 (1982-03-01), Livesay
patent: 4400143 (1983-08-01), O'Connor
patent: 4441865 (1984-04-01), Staisch

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