Machine element or mechanism – Mechanical movements – Rotary to or from reciprocating or oscillating
Patent
1975-10-24
1977-12-13
Scott, Samuel
Machine element or mechanism
Mechanical movements
Rotary to or from reciprocating or oscillating
234115, F16H 2508
Patent
active
040622444
ABSTRACT:
A punch device for coding cards, tapes and the like comprises a pivotably mounted spring biased punch lever, and a punch member for punching a code into a program card or the like movably mounted on one end of the punch lever. An oscillatable yoke is connected to the punch lever through a hammer lever. A rotating eccentric drive rotatably mounted in the yoke continuously oscillates the yoke. An electromagnetically actuable pawl is reciprocably movable against a spring biased trigger lever for pivoting the trigger lever into a position between an end of the hammer lever and the end of the punch lever in which the punch member is movably mounted. When the trigger lever is moved by the pawl between the hammer lever and punch lever, the oscillation of the yoke by the eccentric drive upwardly moves the punch member into a punch position. As the pawl releases the trigger lever, the bias on the trigger lever moves the trigger lever from its position between the hammer lever and punch lever whereby the oscillation of the yoke has no significant effect on the punch member.
REFERENCES:
patent: 819649 (1906-05-01), Ham
patent: 1915373 (1975-10-01), Sogabe
patent: 2998913 (1961-09-01), Alonas
patent: 3105386 (1963-10-01), Eickhoff
patent: 3187999 (1965-06-01), Seymour
patent: 3233265 (1966-02-01), Hartmann
patent: 3443444 (1969-05-01), Frederick
patent: 3538779 (1970-11-01), Yamamoto
Kabushiki Kaisha Suwa Seikosha
Ratliff, Jr. Wesley S.
Scott Samuel
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