US PATENT SUBCLASS 100 / 266
.~.~ Return bias


Current as of: June, 1999
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100 /   HD   PRESSES

214  DF  RECIPROCATING PRESS CONSTRUCTION {26}
265  DF  .~ Spring or weight {2}
266.~.~ Return bias {1}
267  DF  .~.~.~> Opposing flexible element actuator


DEFINITION

Classification: 100/266

(under subclass 265) Apparatus in which the resilient element or weight exerts a continuing force against an opposed moving means to return a pressure surface from the compressive stroke.

SEE OR SEARCH THIS CLASS, SUBCLASS:

52, for presses having automatic or material triggered control of the actuating means by pressure applied to the material, said control causing reversing of the direction of

platen motion.

256, for presses of the reciprocating platen type having a platen tripped stop or reverse control of the actuation.

260+, for reciprocating platen presses with actuation releasing for quick return of the platen by rebounding from the elasticity of the material or due to a biasing force.