Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1989-07-14
1991-03-19
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Elements
745005, 745016, 74475, 74504, G05G 104, F16C 110
Patent
active
050000594
ABSTRACT:
A control assembly for mechanically transmitting a signal from a sending unit to a receiving element is provided which enables the receiving unit to respond to shifting of the sending unit for reducing perceived hysteresis losses during shifting. The sending unit includes a wear plate defining a series of positions thereon for engagement by a shiftable control arm. The control arm is connected by a cable to the receiving element which includes an indicator on a mounting member. During initial shifting of the control arm, the wear plate, which is pivotally mounted, is limited in its travel by one or more prongs extending through the wear plate. Further shifting of the control arm moves the cable so that the indicator moves responsively thereto.
REFERENCES:
patent: 2480083 (1949-08-01), McMillan
patent: 3413870 (1968-12-01), Spease
patent: 3477308 (1969-11-01), Wagstaff
patent: 3643528 (1972-02-01), Van Der Loos
patent: 4126054 (1978-11-01), Langford et al.
patent: 4324149 (1982-04-01), Johansson et al.
patent: 4445394 (1984-05-01), Yapp et al.
patent: 4485689 (1984-12-01), Cambria
patent: 4949591 (1990-08-01), Roelle
Luong Vinh T.
Wescon Products Company
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