US PATENT SUBCLASS 29 / 213.1
.~ Valve applying or removing

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

700  DF  MEANS TO ASSEMBLE OR DISASSEMBLE {55}
213.1.~ Valve applying or removing {4}
214  DF  .~.~> Engine valve unit puller or applier
215  DF  .~.~> Engine valve spring compressor (only) {3}
221.5  DF  .~.~> To or from wheel rim of resilient tire or tube
221.6  DF  .~.~> Removal tool

DEFINITION

Classification: 29/213.1

Valve applying or removing:

(under subclass 700) Apparatus for the assembling, securing, or disassembling of various types of valves or valve parts.

(1) Note. This and indented subclasses include, for example: (a) the removal or placement of a water main or other main valve or engine valve spring and guide units. (b) the removal of placement of a water main or other main valve, including a pressure housing for facilitating this operation under the pressure of the main, and the insertion and removal of valve plugs to seal the main while assembly operation is being carried on. (For similar pressure housing usable in boring or drilling mains, see Search Notes below) (c) the manipulation of an engine valve rocker arm. (d) a support for supporting a valve in lifted position with the spring compressed. (e) apparatus for holding a valve spring in compressed condition. (f) apparatus for compressing an engine valve spring while on or off an engine.

SEE OR SEARCH CLASS

137, Fluid Handling,

315+, for the combination of valve assembling means cutting or with fluid handling structure.