Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JAPANESE NATIONAL RAILWAYS<JNR>
KOWA KASEI
TSUKAMOTO SEIKI KK
Japan National Railways
Kowa Kasei KK
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
KOWA KASEI
TSUKAMOTO SEIKI KK
Japan National Railways
Kowa Kasei KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JAPANESE NATIONAL RAILWAYS<JNR>, KOWA KASEI, TSUKAMOTO SEIKI KK, Japan National Railways, Kowa Kasei KKfiledCriticalJAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP2548577ApriorityCriticalpatent/JPS53111910A/en
Publication of JPS53111910ApublicationCriticalpatent/JPS53111910A/en
Machines For Laying And Maintaining Railways
(AREA)
Abstract
PURPOSE: To accurately execute the clamping and unclamping of a rail coupling bolt by mounting a bolt clamping and unclamping stem with a chuck attached to the lower end thereof at a case installed on a truck and with a device for rotatably driving the stem to adjustably position the stem.
COPYRIGHT: (C)1978,JPO&Japio
JP2548577A1977-03-101977-03-10Device for clamping and unclamping rail coupling bolt
PendingJPS53111910A
(en)