Hand tool for inserting and removing rail fastenings

Details Hand tool for inserting and removing rail fastenings Hand tool for inserting and removing rail fastenings

2006-07-18

2006-07-18

Wilson, Lee D. (Department: 3723)

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

C029S255000

Reexamination Certificate

active

07076851

ABSTRACT:
A hand tool designed for installing and extracting the elastic fastenings of railroad rails. The hand tool comprises a base body, mounted movably to the underside of which is an active part which acts on the fastening that is to be inserted or removed. A rotating head or a rotating part that can be pivoted about an essentially vertical axis is provided on the top of the main body, the head carrying a hand-powered member, such as a push bar, which extends to the side of the head. A force-multiplying transmission, which may for example be hydraulic, connects the hand-powered member to the active part. In this way the hand-powered member can, independently of the use position of the active part, be placed in a suitable orientation, particularly inside a safe zone.

REFERENCES:
patent: 4074411 (1978-02-01), Willard et al.
patent: 5233740 (1993-08-01), Chen
patent: 6665918 (2003-12-01), Williams
patent: 2005/0028343 (2005-02-01), Rousset
patent: 2 659 674 (1991-09-01), None
patent: A 2000 038704 (2000-02-01), None

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