Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1981-11-27
1983-11-29
Dorner, Kenneth
Machine element or mechanism
Control lever and linkage systems
Elements
16121, 116309, G05G 110
Patent
active
044174837
ABSTRACT:
A calibratable dial for mounting on a control shaft. The dial includes a hub and a skirt frictionally fastened to each other for rotational movement in unison. The hub has a generally cylindrical portion and a disc portion. A shaft receiving socket is formed in the generally cylindrical portion of the hub. A central opening is formed in the skirt and is sized to fit over and receive the generally cylindrical portion of the hub when the skirt and hub are frictionally fastened to each other. An arcuate toothed sector is formed in the skirt along one portion of the central opening thereof at a location overlying the disc portion of the hub. Instrument receiving sockets are formed in the hub in alignment with the central opening in the skirt. The sockets are positioned to extend under the arcuate toothed sector of the central opening of the skirt so that an instrument inserted in either of the sockets will engage the hub and the toothed sector of the skirt. Upon twisting of the instrument, frictional engagement between the hub and skirt will be overcome to rotate the hub and skirt relative to each other through a limited arcuate extent.
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Dorner Kenneth
The Grigoleit Company
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