POSITION ADJUSTABLE GRAPPLE ATTACHMENT

Title:

POSITION ADJUSTABLE GRAPPLE ATTACHMENT

Document Type and Number:

WIPO Patent Application WO/2012/112863

Kind Code:

A3

Abstract:

An attachment that is configured for attachment to an arm of a piece of construction equipment. The attachment includes a pair of grapple mechanisms mounted on a main beam. Each grapple mechanism includes opposing grab arms mounted to a grab arm housing. The grab arm housings of the grapple mechanisms are each individually adjustable separate from one another relative to the main beam in one or more directions generally perpendicular to the longitudinal axis of the main beam. The attachment can fine adjust the positions of the pipe ends relative to one another until the ends align with each other, at which point the pipe ends can be welded or otherwise secured to each other while being held in position by the grapple mechanisms.

Inventors:

LAVALLEY JASON (US)
LARSON DANIEL (US)
KILDE JESSE (US)
BURGESS MICHAEL (US)
KILPO LAWRENCE D (US)

Application Number:

PCT/US2012/025601

Publication Date:

December 06, 2012

Filing Date:

February 17, 2012

Export Citation:

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Assignee:

LAVALLEY IND LLC (US)
LAVALLEY JASON (US)
LARSON DANIEL (US)
KILDE JESSE (US)
BURGESS MICHAEL (US)
KILPO LAWRENCE D (US)

International Classes:

B66C3/16; B66C3/06; B66C3/20; E02F3/96

Foreign References:

US20070013199A1	2007-01-18
US20100308609A1	2010-12-09
US20090155040A1	2009-06-18
US3561615A	1971-02-09

Other References: