US PATENT SUBCLASS 74 / 18.2
.~ Longitudinally reciprocating rod


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

18  DF  FLEXIBLE SEALING DIAPHRAGM ATTACHED TO MOVING ROD AND TO CASING {2}
18.2.~ Longitudinally reciprocating rod


DEFINITION

Classification: 74/18.2

(under subclass 18) Devices in which the rod reciprocates longitudinally. Mechanical Movements. Devices under the class definition other than gearing for imparting motion to one body from the motion of another body, wherein the two motions, or some intermediate motion, are of different form, type or degree.

SEE OR SEARCH THIS CLASS, SUBCLASS:

469+, for control lever and linkage systems.

640+, for gearing.

828+, for mechanical movement having "on the fly" adjustment of the driven member.

SEE OR SEARCH CLASS

226, Advancing Material of Indeterminate Length, appropriate subclasses for methods of, and apparatus for, feeding material without utilizing the leading or trailing ends to effect movement of the material.