Machine element or mechanism – Control lever and linkage systems – Multiple controlled elements
Patent
1998-05-18
2000-01-25
Fenstermacher, David M.
Machine element or mechanism
Control lever and linkage systems
Multiple controlled elements
7447315, 745025, 74335, B60K 2000, F16H 5900
Patent
active
060167173
ABSTRACT:
An electric shift apparatus (10) for shifting a vehicle transmission assembly (12) includes a mounting structure (20) adapted to be mounted to a transmission housing (22), an electric motor (24) supported by the mounting structure (20), and a drive assembly (26) operably driven by the electric motor (24). The apparatus (10) further includes a core element (28) movably supported by the mounting structure (20) and a guide (30) for guiding the core element (28). A terminal (32) is slidably disposed in the guide (30) and connected to the core element (28). A shift lever (34) is movable between a plurality of shift positions and connected to the terminal (32) for shifting a transmission. The apparatus (10) is characterized by the core element (28) comprising a helical cable (36) which is driven by the drive assembly (26) for linear actuation of the shift lever (34). The helical cable (36) is comprised of a filamentous member (38) and a core member (40) that defines a longitudinal axis (42). The filamentous member (38) is wound in spaced convolutions to define tooth-like members (44). The tooth-like members (44) are spaced apart from one another along the core element (38) and are in driven engagement with the drive assembly (26).
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Fenstermacher David M.
Teleflex Incorporated
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