Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1985-03-04
1986-10-14
Weakley, Harold W.
Machine element or mechanism
Control lever and linkage systems
Elements
16121, 36120, G05G 110
Patent
active
046165240
ABSTRACT:
The actuating knob comprises a body of substantially cylindrical configuration and at least one wing supported on the body for rotation about a substantially parallel axis to the axis of said body. The, at least one wing being positionable at a home position, whereat it is contained within the outline of the body. The, at least one wing also being positionable at an operative position, whereat it protrudes substantially radially from the body to increase the working diameter thereof.
REFERENCES:
patent: 2482348 (1949-09-01), Laud
Josif Albert
Modiano Guido
Nordica S.p.A.
Weakley Harold W.
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