Wear-compensating universal quick coupling device for heavy equipment attachment

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6123501
SERIAL NO

09040918

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A first coupler component (12) is pivotally attached to a boom (14) for rotation about a first pivot axis (20) and is also pivotally attached to an actuation linkage (24) for pivotal movement about a second axis (22). A trunnion (26) surrounds and is concentric with the first pivot axis (20). A second coupler component (16) includes a notch (32) of a size and shape to engage the trunnion (26). The second coupler component (16) also includes an end portion (52) that is located above and is spaced from an end portion (54) on the first coupler component (12). A lock member (50) is received within a space between the end portions (52, 54). The lock member (50) is forceable into the space for spreading the end portions (52, 54) apart and forcing divergent side edges (34, 36) of the notch (32) into tight engagement with the trunnion (22). The second coupler component (16) is connected to a bucket (18) or other implement.

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Patent Owner(s)

Patent OwnerAddress
PSM LLC2201 NE 201ST AVENUE PORTLAND OR 97024

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Pisco, Walter J Woodinville, WA 5 127

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