Abstract: The overhead wire tensioning device of the present invention is improved in reliability and eliminates the need for constant maintenance work by protecting the slide mechanism between the cylinder case of the gas spring type overhead wire tensioning device and the cylinder rod, and the pivoting mechanism for the connecting rod connecting this cylinder with the overhead wire from external influences.
Type:
Grant
Filed:
November 3, 1999
Date of Patent:
August 27, 2002
Assignees:
Central Japan Railway Company, Dengyo Incorporated, NHK Spring Co., Ltd.