US PATENT SUBCLASS 92 / 18-- .~ Includes interfitting parts engageable at plural positions including position intermediate stroke limits

US PATENT SUBCLASS 92 / 18
.~ Includes interfitting parts engageable at plural positions including position intermediate stroke limits

Current as of: June, 1999
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92 /	HD	EXPANSIBLE CHAMBER DEVICES

15	DF	WITH RELEASABLE STOP OR LATCH MEANS TO PREVENT MOVEMENT OF WORKING MEMBER {8}
18		.~ Includes interfitting parts engageable at plural positions including position intermediate stroke limits {1}
19	DF	.~.~> Self-engaging

DEFINITION

Classification: 92/18

(under subclass 15) Apparatus in which the movement preventing means comprises an element having intermeshing engagement with the working member or member moved thereby, said element being adapted to intermesh with said working member or member moved thereby at plural predetermined spaced locations corresponding to spaced locations of the working member along its path of travel, at least one of said locations corresponding to a position between the opposite extremities of said path of travel.