192 clutches and power-stop control – Stop mechanism – Limit stop
Patent
1980-02-20
1982-05-11
Bonck, Rodney H.
192 clutches and power-stop control
Stop mechanism
Limit stop
74435, 192139, 192143, 200 47, F16D 7100
Patent
active
043288855
ABSTRACT:
A switching mechanism can be utilized in conjunction with an electrically driven actuator, for example, either a linear or rotary operated actuator. The switching mechanism can be utilized to either control the extent of operation of the actuator, thereby operating as a limit switch, and also can be used for controlling other electrical devices that are to be operated in dependence upon the position of the driven member of the actuator. For this purpose, the switching mechanism is provided with a plurality of electrical switches, each of which can be controlled so as to be switched at different points in the operation of the actuator. Associated with each of the electrical switches is a separate counting mechanism. All the counting mechanisms are driven by a common drive gear which is coupled to the drive mechanism of the actuator. Each of the counting mechanisms can be independently preset for activating the corresponding switch after a different number of turns of the common drive gear, with the number of turns being correlated with the position of the actuator.
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Andco Actuator Products, Inc.
Bonck Rodney H.
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