| 摘要 |
The setting apparatus includes a housing having an operating grip mounted thereon for pivotal movement about a first axis between a neutral position and a second position for adjusting a signal changing device. An abutment member is mounted by the housing to pivot about an axis extending perpendicular to the first axis and has a face in abutting relationship to the face of a pressure face member. A rod and a spring are mounted by the operating grip for longitudinal movement and rotary movement relative to the grip to retain the pressure member face in abutting relationship to the abutment member face for selectively adjusting the neutral position of the operating grip upon rotation of the rod and resiliently urging the operating grip to its neutral position when the operating grip is moved out of its various selected adjusted neutral positions. The pressure member face is inclined relative to the axis of rotary movement of the rod and when the rod is rotated, pivots the abutment member relative to the housing and the pressure face. The signal device includes a first part attached to the operating grip pivot to pivot as the operating grip is pivoted and a second part mounted by the housing in engagement with the first part.
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