.~ Spreading parts apart or separating them from face to face engagement
DEFINITION
Classification: 29/239
Spreading parts apart or separating them from face to face engagement:
(under subclass 700) Apparatus having (1) article engaging means moving in opposed directions for spreading parts apart or (2) for breaking a face to face engagement or for separating parts from a face to face engagement.
(1) Note. The apparatus under (1) is distinguished from that under subclasses 244+ by a spreading operation as distinguished from a plain push or pull and is characterized by spaced jaws or article engaging means that are motivated in opposite directions to create a spreading action.
(2) Note. The apparatus under (2) is generally of the character that breaks the adhesion of an automobile head and block.
SEE OR SEARCH THIS CLASS, SUBCLASS:
223, for a plier type device that engages the ends of a split piston ring to force the ends apart.
252, for means to assemble or disassemble including means to separate parts by fluid expansion.
SEE OR SEARCH CLASS
12, Boot and Shoe Making, 109, and 110+ for shoe last stretching.
81, Tools,
3.7, for a special tool for spreading the leaves of a leaf spring assembly apart, usually for the purpose of inserting lubricant therebetween; subclass 302 for a special tool having outwardly-facing work-engaging jaw surfaces; and
subclass 485 for a tool for spreading one portion of a workpart from another portion, or for spreading apart two parts without disassembling them from each other.
