Joints and connections – Articulated members – Lockable at fixed position
Patent
1998-03-26
2000-07-11
Browne, Lynne H.
Joints and connections
Articulated members
Lockable at fixed position
403 97, 403103, 403 84, F16C 1110
Patent
active
06086284&
ABSTRACT:
A lockable hub device having a base that accommodates about a central axis a ganged pair of lockable attachment rings, a corresponding pair of locking and release elements, and a top cap, the entire assembly being secured by means of an assembly element that engages both the base and the top cap. The articulating members to be adjusted, e.g., the legs of a table or other foldable device, are attached to one of the lockable attachment rings. For simplicity of use, it is intended that each of the locking and release elements be constructed to extend partly through lumens defined by the top cap such that they may lockably engage the cap while retaining their partial extension therethrough, and such that release of each element may be achieved in a similar fashion as the locking operation.
REFERENCES:
patent: 2594227 (1952-04-01), Smith
patent: 4666328 (1987-05-01), Ryu
patent: 4770559 (1988-09-01), Yoo
patent: 5056805 (1991-10-01), Wang
patent: 5062179 (1991-11-01), Huang
patent: 5123768 (1992-06-01), Franklin
patent: 5520474 (1996-05-01), Liu
Browne Lynne H.
Cottingham John
Shea, II, Esq. Timothy J.
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