US PATENT SUBCLASS 92 / 225-- .~.~.~ Element of diverse material for limiting radial movement of skirt part

US PATENT SUBCLASS 92 / 225
.~.~.~ Element of diverse material for limiting radial movement of skirt part

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999 Terms of Use

92 /	HD	EXPANSIBLE CHAMBER DEVICES

172	DF	PISTON {19}
208	DF	.~ Open-ended hollow skirt type (e.g., trunk type) {15}
222	DF	.~.~ Specific or diverse material; or welded, brazed or soldered joint {4}
225		.~.~.~ Element of diverse material for limiting radial movement of skirt part {3}
226	DF	.~.~.~.~> Bi-metallic restraining element
227	DF	.~.~.~.~> Element positioned about periphery of skirt
228	DF	.~.~.~.~> Element portion embedded in piston part {1}

DEFINITION

Classification: 92/225

(under subclass 222) Apparatus in which the piston is provided with an element formed of material other than the material forming the skirt-like member, said element being positioned in engagement with a skirt portion, and being effective to restrain movement of said skirt portion in a direction normal to the longitudinal axis of the piston.

SEE OR SEARCH THIS CLASS, SUBCLASS:

195+, for an open ended skirt-type piston provided with a spring member for biasing a portion of the skirt radially, said spring member being normally formed of material which is different from the material forming the piston.