| 摘要 |
<p>In a snap-acting thermostat with a snap disc (30), a stationary contact support carrying a stationary contact (55) and a moveable contact support arm (48) with a moveable contact (49) on it, a bumper (35) mounted for translation by the disc (30) and operatively connecting the disc (30) and the moveable contact (49) and a case (5) housing the snap disc (30), stationary contact (55), moveable contact (49) and bumper (35), interior side walls of the case (5) have guide channels (16,17) outboard of the stationary and moveable contacts (55,49). The bumper (35) has a part substantially circular in section, extending within the compass of the guide channels (16,17) outboard of the contacts (55,49). The case (5) has a closed top (6) through which two contact terminals extend, and an open bottom (14) through which the elements enclosed by the case (5) can be mounted.</p> |
