US 12,076,801 B2
Tool attachment for cutting heavy duty substrate
Edward Gilchrest, Oxford, CT (US); Matthew Prancuk, Brookfield, CT (US); Andrew Krystinik, Middlefield, CT (US); and Matthew Phillips, Litchfield, CT (US)
Assigned to GENERAL TOOLS & INSTRUMENTS COMPANY LLC, Secaucus, NJ (US)
Appl. No. 17/420,245
Filed by GENERAL TOOLS & INSTRUMENTS COMPANY LLC., Secaucus, NJ (US)
PCT Filed Jan. 2, 2020, PCT No. PCT/US2020/012092
§ 371(c)(1), (2) Date Jul. 1, 2021,
PCT Pub. No. WO2020/142634, PCT Pub. Date Jul. 9, 2020.
Claims priority of provisional application 62/787,415, filed on Jan. 2, 2019.
Prior Publication US 2022/0063006 A1, Mar. 3, 2022
Int. Cl. B23D 17/04 (2006.01); B25F 5/02 (2006.01)
CPC B23D 17/04 (2013.01) [B25F 5/026 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A cutting tool attachment for use with a power tool, the cutting tool attachment comprising:
a drive shaft member secured within a housing, a free end of the drive shaft member being a connection end configured to be accepted into and rotated by an end of the power tool, and an opposite end of the drive shaft member operably connected to a cutting member with a blade extending from an end of the cutting member, wherein the cutting member and blade oscillate up and down relative to the rotation of the drive shaft member;
a collar positioned at an end of the housing, the collar having an opening;
a handle connected to the attachment, the handle including a fastening member that is received in the opening in the collar to define the connection between the handle and the attachment;
a pair of fences, each fence secured on an opposite outer side of the housing; and
a pair of elongated feet members, each elongated feet member secured on an opposite inner side of the housing, wherein the housing is between a corresponding fence of the pair of fences and a corresponding elongated foot member of the pair of elongated feet members, and wherein a bottom surface of each said fence is flush with a bottom surface of each said elongated feet member.