# US 9,517,364 B2 · Spreader tip for a rescue tool > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,517,364 B2 - Document ID: US9517364B2 - Status: Granted - Kind: B2 - Application number: 14/903,680 - Filed: 2014-07-09 - Published: 2016-05-26 - Granted: 2016-12-13 - Earliest claimed: 2013-07-11 - Assignees: Weber-Hydraulik GmbH - Applicants: Weber-Hydraulik GmbH - Inventors: Peter Herwig; Johann Schmollngruber; Kurt Strohmeier - Web page: https://patentgrep.com/patent/US9517364B2 ## CPC - A62B 3/005: {Rescue tools with forcing action} - F16G 15/06: Shackles designed for attachment by joint pins to chain elements, e.g. D-shackles {so called harp links; the D-chain links are classified according to the corresponding kind of chain} - A62B: DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING (valves specially adapted for medical use A61M39/00; life-saving devices, apparatus or methods specially adapted for use in water B63C9/00; divers' equipment B63C11/00; specially adopted for use with aircraft, e.g. parachutes, ejector seats, {B64D17/00, B64D25/10}; rescue devices peculiar to mining E21F11/00) - F16G: BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR ## Abstract The invention relates to a spreader tip (32) for replaceable attachment to two pincer-like co-operating spreader arms (4) of a rescue tool (1). Mounted on a working face (35) of the spreader tip (32) is at least one insert element (39) which protrudes from and has different material properties in comparison with the spreader tip (32). ## Claims ### Claim 1 A spreader tip for replaceable attachment to a spreader arm of a rescue tool, the spreader tip comprising: a spreader tip body formed of a first material, the first material having first material properties; a working face; at least one insert element: mounted on the working face, protruding from the spreader tip body, being formed of a second material, comprising a pin, and being inserted in the working face; wherein the second material has second material properties different from the first material properties. ### Claim 2 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element is made from carbide and has an insert element wear resistance; wherein the spreader tip body has a spreader tip body wear resistance; and wherein the insert element wear resistance is greater than the spreader tip body wear resistance. ### Claim 3 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element is made from carbide and has an insert element compression strength and/or hardness; wherein the spreader tip body has a spreader tip body compression strength and/or hardness; and wherein the insert element compression strength and/or hardness is greater than the spreader tip body compression strength and/or hardness. ### Claim 4 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element is joined to the spreader tip body via a firmly bonded connection. ### Claim 5 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element is mounted in the spreader tip body via a positive connection. ### Claim 6 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element is mounted in the spreader tip body via a frictional connection. ### Claim 7 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element is a sintered part. ### Claim 8 (depends on 1) The spreader tip according to claim 1, further comprising a plurality of insert elements disposed in several rows; and a wedge-shaped tip; wherein the rows of the insert elements are disposed at different distances from the wedge-shaped tip. ### Claim 9 (depends on 1) The spreader tip according to claim 1, further comprising a wedge-shaped tip; and a plurality of insert elements; wherein the working face comprises several part-portions of identical size; wherein a first part-portion of the several part-portions lies closest to the wedge-shaped tip and has a first amount of the insert elements; wherein a second part-portion of the several part-portions has a second amount of the insert elements; and wherein the first amount is less than the second amount. ### Claim 10 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element has a first region lying outside the spreader tip body; and wherein the first region comprises a point. ### Claim 11 (depends on 1) The spreader tip according to claim 1, further comprising a recess on the working face. ### Claim 12 (depends on 11) The spreader tip according to claim 11, wherein the recess is a through bore. ### Claim 13 (depends on 1) The spreader tip according to claim 1, further comprising a first bore in the spreader tip body and a second bore in the spreader tip body, the second bore being a through bore; wherein the at least one insert element is disposed in the first bore; and wherein the first bore connects with the second bore. ### Claim 14 (depends on 1) The spreader tip according to claim 1, wherein the at least one insert element comprises a land. ### Claim 15 A rescue tool comprising: a first spreader arm; a second spreader arm cooperating with the first spreader arm; and a first spreader tip replaceably attached to the first spreader arm; wherein the first spreader tip comprises: a first spreader tip body formed of a first material, the first material having first material properties; a first working face; and at least one first insert element: mounted on the first working face, protruding from the first spreader tip body, being formed of a second material, comprising a first pin, and being inserted in the first working face; wherein the second material has second material properties different from the first material properties.