Patent ID: 9301658
Filing Date: 2016-04-05
CPC Classification: A47G,A47K

Claim Text:
1. In combination with a ball joint relievable hanger having an moveable rod in which movement is facilitated by a ball portion within a complementary cavity, the ball portion having a bore containing a spring which bears on a locking member and urges the locking member into a detent in the complementary cavity, thereby retaining the rod in position unless a release weight is placed on the hanger, resulting in the downward movement of the rod, the improvement comprising, the extension of the bore in the ball portion to the end of the rod, a threaded screw which interacts with threads on the bore extension to allow distal-proximate movement of the screw, a security head on the threaded screw, and seat means for conveying distal-proximate movement of the screw to the spring.