Patent Number: 6,305,697

Title: Clamping jaw device

Abstract: A rotary clamping device for use in clamping and holding a metal casting tree during cutting of the metal casting tree includes a cylinder having a piston rod for actuating a plurality of clamping jaws. In one embodiment, a conically shaped cam engages exteriorly disposed clamping jaws for urging the jaws in a clamping direction. In another embodiment, an exteriorly located cam urges the jaws in a clamping direction. The number of jaws employed may vary with the shape of the metal casting tree to be gripped.

Inventors: Tebbe; Joseph John (White Bear Lake, MN)

Assignee:

International Classification: B23B 31/30 (20060101); B23B 31/02 (20060101); B23B 31/12 (20060101); B23B 31/18 (20060101); B23B 031/18 (); B23B 031/30 ()

Expiration Date: 10/23/2018