CPC F16C 11/106 (2013.01) | 11 Claims |
1. A head suitable to be supported by a tripod or a monopod comprising:
(a) a rotatable ball contained within a body defining a socket;
(b) a first movable member that selectively increases and decreases the ability of said ball to freely rotate;
(c) said rotatable ball including a shaft extending therefrom and a retainment structure at a terminal portion of said shaft to support a device on said head;
(d) said retainment structure includes at least 16 angularly arranged “V” shaped members, where each of said “V” shaped members extends over a majority of the distance from a central opening defined by said shaft and an exterior peripheral surface defined by said terminal portion of said shaft;
(e) wherein said shaft defines said central opening in said terminal portion thereof and said terminal portion defines a set of threads within said central opening;
(f) wherein each said angularly arranged “V” shaped members includes a portion that is between 88 and 93 degrees with respect to one another;
(g) wherein corresponding pairs of said angularly arranged “V” shaped members includes a portion that define a corresponding valley therebetween that is sloped between 1 and 10 degrees with respect to an axis of said shaft, and wherein corresponding pairs of said angularly arranged “V” shaped members includes an upper surface that is sloped between 1 and 10 degrees with respect to an axis of said shaft;
(h) wherein said retainment structure defines a corresponding valley between corresponding pairs of all of said at least 16 angularly arranged “V” shaped members where said retainment structure is free from including any other structures between a corresponding end of said corresponding valley closest to said central opening of each of said at least 16 angularly arranged “V” shaped members and said central opening.
|