US 12,466,010 B2
Broken bolt removal template for cylinder head
Jeffrey Del Rossa, Pittsburgh, PA (US)
Assigned to Milton Industries, Inc., Chicago, IL (US)
Filed by Milton Industries, Inc., Chicago, IL (US)
Filed on Aug. 26, 2022, as Appl. No. 17/822,541.
Prior Publication US 2024/0066643 A1, Feb. 29, 2024
Int. Cl. G01B 3/34 (2006.01); B23B 47/28 (2006.01); B23P 6/02 (2006.01)
CPC B23P 6/02 (2013.01) [B23B 47/284 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An apparatus, comprising:
a template having a first surface and a second surface, wherein the template is placed on a cylinder head such that the second surface abuts the cylinder head;
a plurality of apertures in the template, wherein more than one of the plurality of apertures align with bolt holes of the cylinder head, wherein the plurality of apertures comprise:
one or more insertion apertures aligned with one or more bolt holes of the cylinder head containing at least one broken bolt, wherein the diameter of the one or more insertion apertures is the same as or smaller than the diameter of the one or more bolt holes of the cylinder head, and
one or more connection apertures aligned with one or more empty bolt holes of the cylinder head; and
at least one connecting bolt, wherein the at least one connecting bolt extends from the first surface of the template and through the one or more connection apertures, exits the second surface of the template, and enters an empty bolt hole of the cylinder head.