Pin changing device and method

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8438713
APP PUB NO 20120192405A1
SERIAL NO

13441040

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Importance

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Abstract

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A pin removal assembly for use with an upper block of a crane includes a sheave support and a pin support. The upper block includes a frame, a plurality of sheaves, and a removable sheave pin that defines and axis of rotation for the sheaves and supports the sheaves within the frame. The pin removal assembly includes a sheave support mountable to the frame of the upper block and a pin support mountable to the frame of the upper block. The pin support is configured to support the sheave pin when the sheave pin is removed from the upper block.

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Patent Owner(s)

Patent OwnerAddress
MHE TECHNOLOGIES INCWILMINGTON DE 19803

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Waisanen, Steven K Big Bend, US 26 150

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