Joints and connections – Interfitted members – Including discrete retainer
Patent
1998-04-03
2000-08-01
Browne, Lynne H.
Joints and connections
Interfitted members
Including discrete retainer
285319, 285307, B25G 300
Patent
active
06095714&
ABSTRACT:
A latching joint for telescoping tubes incorporates two telescoping cylindrical members, referred to as rings, one (3) being positioned at least partially within the other (1). The inner ring carries a peripheral skirt of radially outwardly biased spring fingers (5) which, prior to tube extension, are restrained from outward expansion by a coaxially mounted O-ring (7). When the inner ring is pushed or pulled out from the outer ring to the extended position the O-ring is forced off the spring fingers, allowing the fingers to expand and latch the two rings in the extended position. With the arm extended the O-ring then serves as a gasket providing an axial force that is transmitted through the inner tube to the spring fingers to hold the spring fingers firmly latched.
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Binda Greg
Browne Lynne H.
Goldman Ronald M.
TRW Inc.
Yatsko Michael S.
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