US 12,325,079 B2
Indexable piercing tip for demolition shears
Karl Johnson, Duluth, MN (US); Clayton Sederberg, Duluth, MN (US); Shane Bubacz, Duluth, MN (US); Matthew George Mecklin, Two Harbors, MN (US); and Robert Laine Blettner, Two Harbors, MN (US)
Assigned to EPIROC INDUSTRIAL TOOLS AND ATTACHMENTS LLC, Milwaukie, OR (US)
Appl. No. 17/047,865
Filed by EPIROC INDUSTRIAL TOOLS AND ATTACHMENTS LLC, Milwaukie, OR (US)
PCT Filed Apr. 10, 2019, PCT No. PCT/US2019/026827
§ 371(c)(1), (2) Date Oct. 15, 2020,
PCT Pub. No. WO2019/209537, PCT Pub. Date Oct. 31, 2019.
Claims priority of provisional application 62/661,396, filed on Apr. 23, 2018.
Prior Publication US 2021/0154753 A1, May 27, 2021
Int. Cl. B23D 35/00 (2006.01); B23D 31/00 (2006.01); E02F 3/96 (2006.01); E04G 23/08 (2006.01)
CPC B23D 35/005 (2013.01) [B23D 31/008 (2013.01); B23D 35/001 (2013.01); B23D 35/002 (2013.01); E02F 3/965 (2013.01); E04G 23/082 (2013.01)] 35 Claims
OG exemplary drawing
 
1. A demolition shears, comprising:
a first jaw;
a second jaw pivotally connected to the first jaw for pivotal movement relative to the first jaw about a jaw axis, the second jaw comprising:
a jaw body with a nose portion, the nose portion having top, bottom, front, and two opposing side surfaces, wherein the front surface abuts the top surface and the bottom surface, wherein the top surface faces away from a bottom most edge of the nose portion, wherein the front surface is the frontmost surface on the jaw body, and wherein the bottom surface faces toward the first jaw, and
an indexable piercing tip comprising first and second piercing edges and first and second shearing edges, the indexable piercing tip being selectively attachable to the nose portion in: (1) a first operative position in which the first piercing edge is presented for piercing use and the first shearing edge is presented for shearing use, or (2) a second operative position in which the second piercing edge is presented for piercing use and the second shearing edge is presented for shearing use,
wherein, when the indexable piercing tip is in the first or second operative positions, the indexable piercing tip encloses a majority of the top surface, a majority of the bottom surface, a majority of the front surface, and a majority of at least one of the two opposing side surfaces, wherein the second operative position is a position in which the indexable piercing tip is rotated 180° relative to the first operative position,
wherein the indexable piercing tip comprises a first body and a second body that sandwich the nose portion therebetween when the indexable piercing tip is in the first or second operative position.