Joints and connections – Including ancillary means blocking disconnection of joint – Blocker for assembled joint retainer
Patent
1974-09-23
1976-03-23
Kundrat, Andrew V.
Joints and connections
Including ancillary means blocking disconnection of joint
Blocker for assembled joint retainer
403349, 403328, F16D 100
Patent
active
039457443
ABSTRACT:
An extendable and collapsible telescoping strut construction comprising inner and outer tubular members adapted to be slidably received in one another. The inner member is provided with rolled-in portions constituting annular locking grooves, respectively. The outer member has radially extending slots to receive locking dogs which are advanceable toward the inner member so as to engage various annular grooves thereof one at a time and thus hold the inner member in predetermined, fixed positions with respect to the outer member. The latter further carries a spring-biased, slidable collar member which retains the locking dogs in positions of engagement with any one of the annular grooves. Positive, cooperable locking means on the collar member and on the outer tubular member are provided for retaining these two parts in a predetermined, fixed position against accidental bumping or jarring, whereby the locking dogs are firmly held in their advanced, locked positions. The arrangement is such that the spring automatically advances the collar member to its locked position with respect to the outer tubular member as soon as the collar member is released.
REFERENCES:
patent: 1324654 (1919-12-01), Ferguson
patent: 2425992 (1947-08-01), Cadwallader
patent: 3220757 (1965-11-01), Potter
patent: 3442541 (1969-05-01), Metz
patent: 3469871 (1969-09-01), Betts
Kundrat Andrew V.
Lehmann H. Gibner
Lehmann K. Gibner
Norco Inc.
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