Joints and connections – Biased catch or latch – Pivoted
Patent
1981-07-21
1983-12-27
Shedd, Wayne L.
Joints and connections
Biased catch or latch
Pivoted
292128, B25G 318, F16B 2100, F16D 100
Patent
active
044227949
ABSTRACT:
A coupling for coaxially joining pipe or rod sections employed with an earth boring drive unit includes telescopically interengageable male and female members having mating irregular cross sectional portions drivingly cooperable to transmit torque between said members and releasable locking means carried by said members to lock them against axial separation from each other, such locking means including an outwardly biased latch pivotally mounted in a pocket on the exterior of the male member and an inwardly opening recess on the interior of the female member into which the latch moves and lockingly engages when the members are telescopically interengaged for transmitting axial tension loads through the coupling.
REFERENCES:
patent: 2067329 (1937-01-01), McGuffin
patent: 2379472 (1945-07-01), Bowman
patent: 2553835 (1951-05-01), Sachs
patent: 4226035 (1980-10-01), Saito
Shedd Wayne L.
The Charles Machine Works, Inc.
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