| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a simple-structure sensor device for a wheelchair wheel device. <P>SOLUTION: Two return elements (32a, 32b) each receiving a preload at least in an initial position to abut on a second installation device (14) are provided in a first installation device (12) of this sensor device, both the return elements (32a, 32b) abut on one or more stoppers (38a, 38b) of the first installation device (12) in the initial position of the sensor device (10), a first portion (36a) of the first return element (32a) is provided separatably from the stopper by first relative movement between the first and second installation devices (12, 14) and movably against the return force of the first return element (32a), and a second portion (37b) of the second return element (32b) is provided separatably from the stopper by second relative movement between the first and second installation devices (12, 14) and movably against the return force of the second return element (32b). <P>COPYRIGHT: (C)2013,JPO&INPIT |
