发明授权
- 专利标题: Point switch
- 专利标题(中): 点开关
-
申请号: US30750申请日: 1979-04-17
-
公开(公告)号: US4210300A公开(公告)日: 1980-07-01
- 发明人: Bernd-Joachim Kempa
- 申请人: Bernd-Joachim Kempa
- 申请人地址: DEX
- 专利权人: Elektro-Thermit GmbH.
- 当前专利权人: Elektro-Thermit GmbH.
- 当前专利权人地址: DEX
- 优先权: DEX2817782 19780422
- 主分类号: B61L5/04
- IPC分类号: B61L5/04 ; B61L5/10 ; E01B7/02 ; E01B7/06 ; E01B7/08
摘要:
This invention relates to an improvement in a point switch in which the switch blades or tongues are composed of rail sections of the trunk or main track and are displaceably positioned on slide chairs in the transverse rail direction, the improvement comprising a shaft on which each slide chair is slidingly mounted between two bearing blocks, one of the bearing blocks being inside the track and the other of the bearing blocks being outside of the track, welds rigidly connecting the bearing blocks with a joint base plate, and two rods on each chair parallel to the shaft, a first one of the rods being adapted to contact a stop in a recess in the outside bearing block, and a second one of the rods being adapted to contact a lock in a recess in the outside bearing block, whereby in an unlocked condition the first one of the rods contacts the stop, and in a locked condition the second one of the rods contacts the lock.
公开/授权文献
- US5963700A Optical fiber 公开/授权日:1999-10-05