US PATENT SUBCLASS 227 / 146
.~ Spring-actuated driver

Current as of: June, 1999
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227 /   HD   ELONGATED-MEMBER-DRIVING APPARATUS

140  DF  WITH MEANS TO SUPPORT MEMBER AND/OR WORK RELATIVE TO DRIVER {11}
146.~ Spring-actuated driver

DEFINITION

Classification: 227/146

(under subclass 140) Device comprising a resilient element connected to a driver, means to compress said element, and means to release the compressed element for actuating said driver.

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132, for spring-type driver in combination with means to move a member into driving position.

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173, Tool Driving or Impacting,

202+, for spring-actuated hammer head.