GRAPPLE ASSEMBLY CONSISTING PRIMARILY

Brand	Owner	Address	Description
HI-VIS	ESCO CORPORATION	2141 NW 25th Avenue, P.O. Box 10123 Portland OR 97210	grapple assembly consisting primarily of grapple boom, grapple head and grapple tongs for use in the logging industry;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A grapple assembly for attachment to a boom assembly of a front end loader is provided. The grapple assembly includes a first pinching arm having a first end constructed for grappling an article and a second end constructed for attachment to the boom assembly at a first attachment arm connection, the first pinching arm having a first pinching arm connection. The grapple assembly also includes a second pinching arm having a first end constructed for grappling an article and a second end constructed for attachment to the boom assembly at a second attachment arm connection, the second pinching arm having a second pinching arm connection. A rotation arm constructed for attachment to the boom assembly at an attachment cylinder connection is provided, the rotation arm having a first rotation arm connection and a second rotation arm connection. A first pinching arm linkage is attached to the rotation arm at the first rotation arm connection and is attached to the first pinching arm at the first pinching arm connection. A second pinching arm linkage is attached to the rotation arm at the second rotation arm connection and is attached to the second pinching arm at the second pinching arm connection. Rotation of the rotation arm relative to the boom assembly causes the first pinching arm and the second pinching arm to move between a closed position and an open position. A method for operating a grapple assembly is provided.