US PATENT SUBCLASS 74 / 25
.~ Rotary to or from reciprocating or oscillating

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

*  DD  MECHANICAL MOVEMENTS {15}
25.~ Rotary to or from reciprocating or oscillating {20}
26  DF  .~.~> Head motions
27  DF  .~.~> Reciprocating carriage motions {1}
29  DF  .~.~> Rack and pinion type {5}
36  DF  .~.~> Overcoming dead center
37  DF  .~.~> Belt or chain carried member
38  DF  .~.~> Crank, lever, toggle, and slide
39  DF  .~.~> Crank, lazy-tong, and slide
40  DF  .~.~> Crank, pitman, lever, and slide {1}
42  DF  .~.~> Crank, pitman, and lever {1}
44  DF  .~.~> Crank, pitman, and slide
45  DF  .~.~> Crank, lever, and slide {1}
47  DF  .~.~> Crank and lever {1}
49  DF  .~.~> Crank and slide {1}
51  DF  .~.~> Crank and multiple pitmans
52  DF  .~.~> Planetary gearing and slide
53  DF  .~.~> Cam, lever, and slide
54  DF  .~.~> Cam and lever
55  DF  .~.~> Cam and slide {2}
61  DF  .~.~> Unbalanced weights
62  DF  .~.~> Trammel-pitman

DEFINITION

Classification: 74/25

Mechanical Movements for converting rotary motion to or from reciprocating or oscillating motion.

SEE OR SEARCH CLASS

30, Cutlery,

215+, for rotary power driven multiple shearing position shears.

241, Solid Material Comminution or Disintegration,

262+, for apparatus using this mechanical movement.

242, Winding, Tensioning, or Guiding,

241+, 271+, 447.1+, and 476.7+ for drive mechanisms that convert a rotary input motion into reciprocation or oscillation of a line guide. 433, Dentistry,

118+, for reciprocating or oscillating dental instruments receiving rotary power.