| 摘要 |
The mechanism for setting a thermostat has a housing wall forming a mounting opening. A rotatable setting shaft(1) projects through the mounting opening and defines a circumferential groove concentric with respect to the shaft axis and a cam(10) is fixed to the shaft for rotation therewith relative to the housing wall. The cam has a bore with at least one slot at a predetermined angular location and the shaft is locked to the cam by expanding the shaft into engagement with the bore and slot. The shaft is journaled in a bearing for rotation relative to the housing wall.
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