Machine element or mechanism – Control lever and linkage systems – Multiple controlling elements for single controlled element
Patent
1990-03-13
1992-04-07
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Multiple controlling elements for single controlled element
403 57, 403 58, 901 23, 901 28, G05G 1100, F16D 300, B25J 1700
Patent
active
051016818
ABSTRACT:
These joints are particularly useful for transmitting a flux (electrical, optical, liquid or gaseous) either entirely across the joint, or from one side of the joint to devices mounted on the joint itself that use such a flux. Such devices can, for example, be motors to drive the joint itself. The interlocking bodies are typically but not necessarily circular rings, mounted to a common internal structure that permits each body to rotate about its own axis. The resulting joints can rotate in all directions with a very high angular range--in most cases limited only by the angle subtended by connecting stems used to mount the joint to a base or to mount objects to the joint for motion. Some of these joints have hollow central enclosures for passing flexible wires or tubing to carry the flux, so that the flux can be transmitted across or into the joint with the same high degree of freedom, and yet without slip rings, brushes, or other expensive motionaccommodating components subject to wear. The common internal structure is extremely simple, inexpensive and easily made--providing two interfitted tracks. These can take the form of four identical interfitted discs; or two identical circular-segment corner pairs, each with offset centers; or ultimately any of a great variety of arbitrary shapes that provide necessary guide surfaces for arcuate motion of the bodies.
REFERENCES:
patent: 1607807 (1926-11-01), Anderson
patent: 2259999 (1941-10-01), Bryant et al.
patent: 4296681 (1981-10-01), Rosheim
patent: 4723460 (1988-02-01), Rosheim
patent: 4729253 (1988-03-01), Rosheim
Ameus Corporation
Herrmann Allan D.
Laub David W.
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