US PATENT SUBCLASS 74 / 89
.~ Reciprocating or oscillating to or from alternating rotary

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

*  DD  MECHANICAL MOVEMENTS {15}
89.~ Reciprocating or oscillating to or from alternating rotary {6}
89.1  DF  .~.~> Including inertia device {1}
89.13  DF  .~.~> Including bevel gears
89.14  DF  .~.~> Including worm
89.15  DF  .~.~> Including screw and nut
89.16  DF  .~.~> Including spur gear {1}
89.2  DD  .~.~> Including flexible drive connector (e.g., belt, chain, strand, etc.) {2}

DEFINITION

Classification: 74/89

Mechanical movement for converting oscillating or reciprocating motion to or from alternating rotary motion, all such motions as defined in the Glossary of this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

424.8, for screw and nut devices, per se.

ALTERNATING MOTION

The intermittent movement along a path, first in one direction and then in the opposite along such path.

OSCILLATING MOTION

Alternating motion of less than 360 degrees along an arcuate path.

RECIPROCATING MOTION Alternating motion along a straight-line path.

ROTARY MOTION

The turning of a rigid body about an internal axis such that a point on the body travels through an arcuate path, about the axis, having an extent of 360 degrees or more.