US PATENT SUBCLASS 74 / 62
.~.~ Trammel-pitman

Current as of: June, 1999
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74 /   HD   MACHINE ELEMENT OR MECHANISM

*  DD  MECHANICAL MOVEMENTS {15}
25  DF  .~ Rotary to or from reciprocating or oscillating {20}
62.~.~ Trammel-pitman

DEFINITION

Classification: 74/62

(under subclass 25) Mechanisms, in which the mechanism involved includes a cam having a plurality of intersecting slots, in which slide projections on a beam or connecting rod.

SEE OR SEARCH CLASS

33, Geometrical Instruments,

30.1+, for ellipsographs.