Presses – Reciprocating press construction – Range of movement adjustment
Patent
1978-02-03
1979-05-29
Hershkovitz, Abraham
Presses
Reciprocating press construction
Range of movement adjustment
74603, 83530, 83615, 83632, 100282, B30B 500
Patent
active
041563875
ABSTRACT:
An apparatus for the mass compensation at a machine driven by means of a crank drive including a crankshaft, especially a punch press or stamping machine, comprising at least one compensation weight which is connected with a piston or cross-head and the crank drive in order to realize a mass compensation both of the oscillating masses and of the rotating masses. A double-lever is hingedly connected by means of its one end with the compensation weight in order to realize mass compensation of the rotating masses and is hingedly connected by means of its other end with the crank drive via a first guide or link. The one end of the double-lever is directly connected at the compensation weight, and an intermediate bearing means of the double-lever is hingedly connected via a second guide or link, directed towards the side of the crank shaft, with the machine housing or a component fixedly connected therewith.
REFERENCES:
patent: 1569569 (1926-01-01), Pels
patent: 3373596 (1968-03-01), Moeller
patent: 3765266 (1973-10-01), Portmann
patent: 3785282 (1974-01-01), Kamelander
Bruderer AG
Hershkovitz Abraham
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