US PATENT SUBCLASS 29 / 277
.~.~.~ Thread protector (e.g., wheel axle type)

Current as of: June, 1999
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29 /   HD   METAL WORKING

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
270  DF  .~ Means comprising hand manipulatable tool {3}
275  DF  .~.~ Means comprising impact receiving tool {2}
277.~.~.~ Thread protector (e.g., wheel axle type)

DEFINITION

Classification: 29/277

Thread protector (e.g., wheel axle type):

(under subclass 275) Apparatus in which the impact receiving tool transmits the impact to a threaded part and is constructed to protect the threads from injury.

(1) Note. This subclass includes axle drivers that are threaded onto the end of an axle and are hit to break the connection between a wheel and axle, devices commonly called impact wheel removers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

264, for other screw threaded devices to engage screw threaded work.

SEE OR SEARCH CLASS

16, Miscellaneous Hardware,

2.1+, for protective liners and subclasses 108+ for protective caps or collars.

138, Pipes and Tubular Conduits, 96, for protectors for the threads on pipe ends.

173, Tool Driving or Impacting,

128+, for an impacting device including means to transmit impact from a hammer head to a tool or the like.