Patent ID: 8080749
Filing Date: 2011-12-20
Classification: B29C,B29K,B29L,H01H,Y10T

Abstract:
1. A switch comprising: a switch housing including a cover and a terminal block coupled with the cover; a moving block provided with an operation portion and movable to the switch housing, gaps are formed between the operation portion of the moving block and the terminal block, and the cover to allow a relative movement with each other between inner and outer peripheral surfaces of each of the terminal block and the cover, and the operation portion; a detector for detecting a movement of the operation portion between the switch housing and the moving block; and an elastic seal ring interposed between inner and outer peripheral surfaces of each of the terminal block and the cover, and the operation portion, wherein: one of the cover or the terminal block is formed of a laser transmissive material and the other is formed of a laser non-transmissive material; the terminal block and the cover are automatically aligned with the moving block by an elastic force of the seal ring; and a thermal welding part is circularly formed by means of a laser beam on the side of the outer periphery in each of the terminal block and the cover to be aligned for coupling the terminal block with the cover to fix the alignment.