Connective joint with interlocking ring structures adaptable for

Details Connective joint with interlocking ring structures adaptable for Connective joint with interlocking ring structures adaptable for

1987-06-09

1989-07-04

Husar, Stephen E.

Illumination

Supports

Adjustable light support

285272, 403 82, 403119, 439 6, F21S 112

Patent

active

048456039

ABSTRACT:
This mechanical joint allows relative rotation of two articles (one may be a stationary fixture), on an arbitrary axis. The joint has as much angular-rotation range as a hinge, but as many degrees of freedom as a ball-and-socket or universal joint. It allows transmission, between the objects, of force or flux (e.g., of electricity, gas, or liquid), or both. In can be used as an applied-force or motion sensor, varying electrical contacts or conductivity in response to relative motion or force applied between the articles. In one form the invention is simply a mechanical joint formed of two closely interlocked toroids. The minor cross-section of each toroid is sized to just fit through the central aperture of the other; there is a connection point on each toroid for attachment of one article. By adjusting closeness of fit, a designer can impart to the device a wide range of desirable frictional properties. In another basic form, the invention has an internal structure of two mutually fixed, interlocked rings or the like. Outer structures, generally ring-shaped, ride on the inner ones. The internal structure may be effectively concealed, but via a common area where they are joined they provide paths for transmitting flux or force between the articles.

REFERENCES:
patent: 1107811 (1914-08-01), Lucas
patent: 1185666 (1916-06-01), Hettenbaugh et al.
patent: 1209243 (1916-12-01), Ale
patent: 2259999 (1941-10-01), Bryant et al.

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