Dual claw spike puller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4538793
SERIAL NO

06615010

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A machine for pulling spikes from railroad ties including a pair of claws supported by the machine frame, one of the claws being positioned on one side of the rail and for pulling spikes on that side of the rail and the other of the claws being positioned on an opposite side of the rail and for pulling spikes on that side of the rail. Each of the claws including a lower end portion having a pair of spaced fingers extending toward the rail, and each claw being supported for movement from a retracted position to a position wherein the fingers of that claw are positionable under the head of a spike on opposite sides of the spike. The claws then move upwardly to pull spikes from the ties.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NORDCO INC245 WEST FOREST HILL AVENUE OAK CREEK WI 53154

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dieringer, Andrew M Waterford, WI 6 82
Sheperd, Ervin M Milwaukee, WI 1 29

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation