Motors: expansible chamber type – With signal – indicator or inspection means
Patent
1986-10-01
1989-08-08
Michalsky, Gerald A.
Motors: expansible chamber type
With signal, indicator or inspection means
91 42, 91 43, 91361, 92 27, 92136, 92165R, F15B 1104, F15B 1112, F15B 1528, F15B 1508
Patent
active
048542180
ABSTRACT:
The invention relates to a piston and cylinder unit whose piston rod is provided with a rack extending along it. The rack is in mesh with a ring of teeth (such as the teeth of a toothed belt or the teeth of a gear wheel) adapted to revolve about one axis (in the case of a gear wheel) or about at least two axes (in the case of a toothed belt). Such meshing engagement takes place in every position of the piston rod. When the piston rod is moved in the direction of its length the ring of teeth revolves about at least one axis and rotates a means for influencing the motion of the piston rod. Such means may for example be a liquid brake or a synchro transmitter connected with a NC unit controlling the supply of driving fluid to the piston and cylinder unit.
REFERENCES:
patent: 2016727 (1935-10-01), Roth
patent: 2607548 (1952-08-01), Hollander
patent: 2851014 (1958-09-01), Healy
patent: 2988056 (1961-06-01), Rumsey
patent: 3095785 (1963-07-01), Cahill
patent: 3691911 (1972-09-01), Visser
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patent: 4339984 (1982-07-01), Hiihne
patent: 4380273 (1983-04-01), Walter
patent: 4457210 (1984-07-01), Pauliukonis
patent: 4614004 (1986-09-01), Oshida
patent: 4635901 (1987-01-01), Pond
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