Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1993-10-29
1995-12-12
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Elements
116307, G05G 504, B05B 316, G09F 1104
Patent
active
054739616
ABSTRACT:
A control apparatus for a work object, the control apparatus having a pair of substantially contrarotating members operable to define a selected relationship designated by the relationship of the members relative to each other; and an assembly for mounting the substantially contrarotating members in controlling relation to the work object whereby the selected relationship is operable to control the work object.
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patent: 5174501 (1992-12-01), Hadar
Farrell Michael M.
Jackson Mark A.
Herrmann Allan D.
Pepco Water Conservation Products
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