Joints and connections – Manually releaseable latch type – Having operating mechanism
Patent
1993-04-29
1995-04-18
Bertsch, Richard A.
Joints and connections
Manually releaseable latch type
Having operating mechanism
403325, 403327, 403348, 403350, 403353, 604 22, B25G 300
Patent
active
054072930
ABSTRACT:
A coupling apparatus for a medical instrument includes an insertion member having a protruding portion; a receiving member sized to receive the protruding portion of the insertion member; an engaging structure having a ridge member and a groove member for coupling the insertion member with the receiving member, one of the ridge member and the groove member being disposed on the insertion member, and the other being disposed on the receiving member, the ridge member having a ridge portion and the groove member having a groove portion, rotatable relative to one another between an engaged position wherein the ridge portion and the groove portion are engaged against longitudinal separation, and a disengaged position wherein the groove portion can be longitudinally separated from the ridge portion; and a locking member for retaining the ridge portion and the groove portion in the engaged position.
REFERENCES:
patent: 271143 (1883-01-01), Smith
patent: 930169 (1909-08-01), Exley
patent: 1033187 (1912-07-01), Metzger
patent: 1099670 (1914-06-01), Shoffner
patent: 1171380 (1916-02-01), Arthur
patent: 4632437 (1986-12-01), Robson et al.
patent: 4705038 (1987-11-01), Sjostrom et al.
patent: 4986690 (1991-01-01), Cooksey
patent: 5052849 (1991-10-01), Zwart
Bertsch Richard A.
Richman Howard R.
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