US 12,011,770 B2
Hole-saw with brazed or welded endcap
Hannah T. Maksimovic, South Milwaukee, WI (US); Andrew Schulz, Slinger, WI (US); John P. Mohr, Slinger, WI (US); Jesse R. North, Milwaukee, WI (US); Timothy J. Signer, Waukesha, WI (US); and Bradley Charles Engel, Waterford, WI (US)
Assigned to Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed by Milwaukee Electric Tool Corporation, Brookfield, WI (US)
Filed on Dec. 23, 2022, as Appl. No. 18/146,018.
Application 18/146,018 is a continuation of application No. 17/111,093, filed on Dec. 3, 2020, granted, now 11,534,841.
Application 17/111,093 is a continuation of application No. PCT/US2020/037875, filed on Jun. 16, 2020.
Claims priority of provisional application 62/862,483, filed on Jun. 17, 2019.
Prior Publication US 2023/0127923 A1, Apr. 27, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. B23B 51/04 (2006.01)
CPC B23B 51/0473 (2013.01) 20 Claims
OG exemplary drawing
 
1. A hole-saw, comprising:
an endcap;
a sidewall forming a hole-saw body when coupled to the endcap, the sidewall comprising:
a cutting edge at a first end of the sidewall; and
a second end coupled to the endcap;
wherein the endcap comprises a first endcap segment having two opposing outer ends and a second endcap segment having two opposing outer ends, wherein the first and second endcap segments are formed as separate, discontinuous, identical segments that are coupled together with different orientations to form the endcap;
wherein the two opposing outer ends of the first endcap segment and the two opposing outer ends of the second endcap segment contact the sidewall and couple the endcap to the sidewall.