Presses – Reciprocating press construction – Intermittent actuator
Patent
1992-01-06
1993-02-23
Gerrity, Stephen F.
Presses
Reciprocating press construction
Intermittent actuator
100902, B30B 932, B30B 104
Patent
active
051880245
ABSTRACT:
A can crusher includes a ratchet bar having a plurality of ratchet teeth longitudinally formed on the bar and having a piston member secured on a front end portion of the bar reciprocatively held in a squeezing chamber formed in a base of the can crusher, a lever pivotally secured to a driving box secured on a rear portion of the base having a first pawl pivotally mounted on a lower end portion of the lever engageable with the ratchet teeth on the ratchet bar, a second pawl pivotally formed on the driving box for preventing a rearward retraction of the ratchet bar, whereby upon an upward pulling of the lever, the first pawl will urge a ratchet tooth of the ratchet bar forwardly to squeeze a can inserted in between the piston member and a compression end plate secured on the base, thereby gradually intermittently pushing the piston member forwardly for crushing the can with a lighter force.
REFERENCES:
patent: 236253 (1881-01-01), Phares
patent: 1192343 (1916-07-01), Penn
patent: 2191488 (1940-02-01), McCowan
patent: 2200515 (1940-05-01), Moeller
patent: 3941049 (1976-03-01), Britt
patent: 4148255 (1979-04-01), McQueen
patent: 4213387 (1980-07-01), McCaney et al.
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