Joints and connections – Articulated members – Lockable at fixed position
Patent
1985-02-22
1986-07-29
Kundrat, Andrew V.
Joints and connections
Articulated members
Lockable at fixed position
403328, F16B 710, F16D 112
Patent
active
046028900
ABSTRACT:
A ratchet assembly includes telescoping inner and outer tubes, the inner tube having a row of ratchet teeth thereon. A snap lock assembly includes a tubular mounting body threadedly engaged with the outer member. A latch member is disposed within the mounting body and reciprocates between a latching position for ratcheting engagement with the ratchet teeth and an unlatching position disengaged from the ratchet teeth. A spring urges the latch member to its latching position. The latch member has an enlarged head carrying a pin which lies closely along the hexagonal outer surface of the mounting body when the latching member is in its latch position to prevent rotational movement of the latch member with respect to the mounting body. When the latch member is in its unlatching position, the pin clears the mounting body to permit rotational movement of the latch member.
REFERENCES:
patent: 542862 (1895-07-01), Peard
patent: 559368 (1896-05-01), Dieterich
patent: 1732081 (1929-10-01), Clement
patent: 3137512 (1964-06-01), Carpezzi
patent: 4165854 (1979-08-01), Duly
patent: 4339148 (1982-07-01), Smith et al.
Kundrat Andrew V.
Randall Equipment Company
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