Patent ID: 8286971

Claim:
A holding fixture, comprising: a first part, comprising a first end face and a sleeve extending therefrom, the sleeve defining a plurality of radial through holes each receiving a ball therein, each ball having a diameter larger than a wall thickness of the sleeve therein, the first part further defining a recess in communication with the first end face and a first blind hole in communication with the recess; a securing member located around the sleeve, comprising a plurality of protrusions configured on an inner wall thereof, every two neighboring protrusions defining a notch therebetween; a locking block located between the first part and the securing member, limiting rotation of the securing member relative to the first part, wherein the locking block defines a second blind hole and is installed in the recess via a pin with one end fixed in the second blind hole and the other end thereof is movably received in the first blind hole; a spring located between the pin and the bottom of the first blind hole; and a second part, comprising a body and a tail fixed to the body, the tail defining an annular groove in the periphery thereof to enable seating thereof in the sleeve; wherein the protrusions guide the balls into the annular groove to secure the second part on the first part.