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公开(公告)号:US3587965A
公开(公告)日:1971-06-28
申请号:US3587965D
申请日:1969-04-23
申请人: PORTEC INC
发明人: NEWTON JOHN S
IPC分类号: E01B9/30
CPC分类号: E01B9/306
摘要: A SPRING-TYPE RAIL FASTENER WHICH INCLUDES A RIGID INTEGRAL TENSION ELEMENT INSERTABLE THROUGH A VERTICAL OPENING IN A TIE TO FLEX A COMPRESSION ELEMENT BEARING ON THE ONE HAND UPON A RAIL BASE AND ON THE OTHER HAND UPON THE TIE. A LOCKING BAR ON THE TENSION ELEMENT COOPERATES WITH THE TIE OPENING TO
PERMIT A RAPID TWIST-TO-LOCK ASSEMBLY OF THE FASTENER COMPONENTS.-
公开(公告)号:US3883072A
公开(公告)日:1975-05-13
申请号:US45812374
申请日:1974-04-05
申请人: PORTEC INC
发明人: NEWTON JOHN S
摘要: A rail fastener includes a spring anchor plate provided with a longitudinal slot dividing the plate into a rail engaging section and a tie retainer member engaging section. A retainer member, fixably disposed relative a crosstie, clampingly engages the tie retainer member engaging section to bias the undersurface of the rail engaging section against the upper surface of the rail base flange.
摘要翻译: 轨道紧固件包括弹簧锚定板,弹簧锚定板设置有将板分成轨道接合部分和连接保持器接合部分的纵向狭槽。 相对于交叉固定地固定的保持器构件,夹紧地接合连接保持器构件接合部分,以将轨道接合部分的下表面抵靠在轨道基座凸缘的上表面上。
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公开(公告)号:US3458132A
公开(公告)日:1969-07-29
申请号:US3458132D
申请日:1968-01-05
申请人: PORTEC INC
发明人: NEWTON JOHN S
CPC分类号: E01B9/306 , Y10S411/96
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公开(公告)号:US3429505A
公开(公告)日:1969-02-25
申请号:US3429505D
申请日:1967-08-22
申请人: PORTEC INC
发明人: NEWTON JOHN S
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