Patent Number: 6,293,174

Title: Quick change drive for core cutters

Abstract: A core drive for internal drive core cutters having a non-rotating pull rod and a rotating drive plate. The core drive has a rotating element assembly that releasably couples to the drive plate and a non-rotating element assembly that is secured to the pull rod with a quick release securement. The drive is mated with a pusher so that the drive and pusher kit can be interchangeable with kits of other diameters to enable the quick changing of a mandrel to cut a core of a different diameter.

Inventors: Rulseh; Tim (Neenah, WI)

Assignee: Productive Solutions, Inc.

International Classification: B26D 3/16 (20060101); B23B 005/08 ()

Expiration Date: 09/25/2018