US PATENT SUBCLASS 91 / 186
.~.~ Connection includes toothed gearing or rocking lever

Current as of: June, 1999
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91 /   HD   MOTORS: EXPANSIBLE CHAMBER TYPE

170 R  DF  RELATIVELY MOVABLE WORKING MEMBERS WITH ONE HAVING MOTIVE FLUID CONTROLLED BY, MOVABLY INTERCONNECTED WITH OR MOVED BY ANOTHER {12}
183  DF  .~ With means interconnecting working members to cause relative motion {5}
186.~.~ Connection includes toothed gearing or rocking lever

DEFINITION

Classification: 91/186

(under subclass 183) Apparatus in which the member, linkage or transmission which connects plural working members for relative movement is formed, at least in part, by either (1) gearing having intermeshing teeth or cogs such as a rack and pinion or (2) by an elongated member which is pivoted to

oscillate about a transverse axis and is engaged at points spaced from said axis by means connecting it to the working members.

SEE OR SEARCH THIS CLASS, SUBCLASS:

81+, for rotary working members which interengage in a gear-like manner.

411+, for (a) differential gearing and (b) for floating links connected both to plural working members and to a load or transmission to move the latter cumulatively but which to not cause one working member to move another.