# US 2019/0314656 A1 · Energy absorber > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0314656 A1 - Document ID: US20190314656A1 - Status: Published application - Kind: A1 - Application number: 16/278,240 - Filed: 2019-02-18 - Published: 2019-10-17 - Earliest claimed: 2018-04-12 - Assignees: Pure Safety Group, Inc. - Applicants: Pure Safety Group, Inc. - Inventors: William Leo FARRELL; Jason Mathew MOORE - Web page: https://patentgrep.com/patent/US20190314656A1 ## CPC - A62B 35/04: incorporating energy absorbing means - A62B 35/0056: {Horizontal lifelines} - F16F 7/003: {One-shot shock absorbers (using plastic deformation of members, e.g. using sacrificial, fibre-reinforced composite members F16F7/12)} - F16F 7/123: {Deformation involving a bending action, e.g. strap moving through multiple rollers, folding of members (F16F7/125, F16F7/128 take precedence)} - F16F 7/128: {characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart} - F16F 2224/0208: Alloys - F16F 2224/0233: deforming plastically in operation - F16F 2234/06: plane or flat - F16F 2236/06: Tension - 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) - F16F: SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION ## Abstract An energy absorber comprises a base having a weakened portion, a mounting aperture, and a connecting aperture. An energy absorber assembly includes the energy absorber, an anchor member extending through the connecting aperture, a mounting bracket including an aperture, and a fastener extending through the aperture of the mounting bracket and the mounting aperture of the energy absorber. ## Claims ### Claim 1 An energy absorber, comprising: a base; a weakened portion in the base, the weakened portion being arranged in a spiral configuration; a mounting aperture in the base proximate an outer portion of the spiral configuration; and a connecting aperture in the base proximate a center of the spiral configuration. ### Claim 2 (depends on 1) The energy absorber of claim 1, wherein the base is a disk member. ### Claim 3 (depends on 2) The energy absorber of claim 2, wherein the disk member is round. ### Claim 4 (depends on 1) The energy absorber of claim 1, wherein the weakened portion includes a plurality of alternating connected portions and cuts extending through the base. ### Claim 5 (depends on 4) The energy absorber of claim 4, wherein the cuts are elongated. ### Claim 6 (depends on 1) The energy absorber of claim 1, wherein the weakened portion forms an elongating portion having an intermediate portion interconnecting a distal end and a proximal end, the distal end being positioned proximate the center of the spiral configuration and the proximal end being positioned proximate the outer portion of the spiral configuration, the distal end and the intermediate portion being configured to separation from the base and deform to absorb energy. ### Claim 7 (depends on 1) The energy absorber of claim 1, further comprising: an anchor member extending through the connecting aperture; a lifeline operatively connected to the anchor member; an anchorage structure; and a mounting bracket interconnecting the base and the anchorage structure. ### Claim 8 (depends on 7) The energy absorber of claim 7, wherein the anchorage structure is a stanchion. ### Claim 9 (depends on 1) The energy absorber of claim 1, further comprising: an anchor member extending through the connecting aperture; and a mounting bracket operatively connected to the base, wherein a fastener extends through an aperture in the mounting bracket and the mounting aperture in the base to interconnect the mounting bracket and the base. ### Claim 10 (depends on 9) The energy absorber of claim 9, further comprising: a lifeline operatively connected to the anchor member; and an anchorage structure operatively connected to the mounting bracket. ### Claim 11 (depends on 10) The energy absorber of claim 10, wherein the anchorage structure is a stanchion. ### Claim 12 An energy absorber, comprising: a base having a weakened portion, a mounting aperture, and a connecting aperture; an anchor member extending through the connecting aperture; a mounting bracket including an aperture; and a fastener extending through the aperture of the mounting bracket and the mounting aperture of the energy absorber. ### Claim 13 (depends on 12) The energy absorber of claim 12, wherein the weakened portion is arranged in a spiral configuration. ### Claim 14 (depends on 13) The energy absorber of claim 13, wherein the weakened portion forms an elongating portion having an intermediate portion interconnecting a distal end and a proximal end, the distal end being positioned proximate a center of the spiral configuration and the proximal end being positioned proximate an outer portion of the spiral configuration, the distal end and the intermediate portion being configured to separation from the base and deform to absorb energy. ### Claim 15 (depends on 12) The energy absorber of claim 12, wherein the connecting aperture is proximate a center of the spiral configuration and the mounting aperture is proximate an outer portion of the spiral configuration. ### Claim 16 (depends on 12) The energy absorber of claim 12, further comprising: a lifeline operatively connected to the anchor member; and an anchorage structure operatively connected to the mounting bracket. ### Claim 17 (depends on 16) The energy absorber of claim 16, wherein the anchorage structure is a stanchion.