US PATENT SUBCLASS 29 / 229
.~.~ Circular spring

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

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
225  DF  .~ Spring applier or remover {5}
229.~.~ Circular spring

DEFINITION

Classification: 29/229

Circular spring:

(under subclass 225) Apparatus for applying or removing a circular spring, i.e., a single convolution spring of general circular shape.

SEE OR SEARCH THIS CLASS, SUBCLASS:

222+, for a piston ring inserter or remover.

249, means for applying a key of split ring form to a valve stem.

729+, for means for applying a split spacer disc to an electrical conduit.

765, for means to place a traveler on a ring, or a ring on a bobbin in a textile machine.