Load-locking joint, particularly for surgery microscopes and sus

Details Load-locking joint, particularly for surgery microscopes and sus Load-locking joint, particularly for surgery microscopes and sus

1985-12-11

1989-05-30

Corbin, John K.

Joints and connections

Interfitted members with external bridging piece

350256, 403 90, G02B 2124, G02B 702, F16C 1106

Patent

active

048345199

ABSTRACT:
The load-locking joint, which is particularly suitable as a suspension mount for surgery microscopes, comprises a joint ball mounted in a housing and having a shaped-on hinge pin or rod, whose free mobility can be inhibited in its mount by mechanical clamping elements. The self-locking action is brought about in that the clamping elements engage on the spherical surface of the ball and during the rotation of the joint ball are carried along on said side, but are supported on a fixed abutment on the other side, the length between the point on the joint ball and the support point increasing with a slope, whose tangent is smaller than the friction coefficient.

REFERENCES:
patent: 2089439 (1937-08-01), Silberstein
patent: 2161718 (1939-06-01), Miller
patent: 2696392 (1954-12-01), Case
patent: 2967458 (1961-01-01), Stone
Fundamentals of Physics, Halliday & Resnick, Second Edition, 1981, pp. 79-82.

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