Angle joint

Details Angle joint Angle joint

1981-07-08

1985-07-09

Scanlan, Jr., Richard J.

Joints and connections

Articulated members

Pivoted

403144, 403319, 403328, 280513, F16C 1106

Patent

active

045279250

ABSTRACT:
An angle joint, consisting of a ball socket and a ball pivot, is pivotally mounted, by means of the ball, in a ball socket recess which is shaped like a spherical cap and acts as a ball seat. On one side of the ball socket is a rigid locating or contact shoulder, which is integral with the ball socket and partially grips the rear of the ball when the ball has been inserted into the recess.
A locking element, which is situated opposite the locating shoulder, also partially grips the rear of the ball when the ball is inserted into the recess. The locking element is slidably located in a guide recess in the ball socket at an acute angle, between 15.degree. to 30.degree., to the direction of insertion. A locking spring presses the locking element in a direction opposite to the direction of insertion. The locking element is loaded by a pretensioned helical spring, acting as a locking spring, which bears both against the locking element and a section in contact with the ball socket. The locking spring may either bear against a locating collar formed out of the ball socket or against a cap which seals the guide recess. A handle or knob, projecting out of the guide recess may be mounted on the locking element. The locking spring may be bow-shaped and attached to the ball socket at a distance spaced from the locking element. The locking element is preferably made of a strong metallic material and may be constructed integrally with the locking spring, which may be constructed in the form of a leaf spring.

REFERENCES:
patent: 1079531 (1913-11-01), Zahringer
patent: 2219955 (1940-10-01), Gilmore
patent: 4225261 (1980-09-01), Marx

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