Patent ID: 11865380
Assignee: 3M INNOVATIVE PROPERTIES COMPANY
Field: Mechanical elements (Mechanical engineering)
Classification: CPC A  F | IPC A

Claim 0:
1. A fall-protection apparatus comprising:
a drum with a safety line connected thereto and that is rotatable relative to a housing of the apparatus; and,
a rotationally-activated braking device that comprises at least one pawl and at least one ratchet with at least one tooth that is engagable by an engaging end of the at least one pawl,
wherein the pawl is a flexure-borne pawl that is attached to a flexure arm;
wherein the apparatus comprises a pawl-support plate that is axially co-mounted with the drum and that is co-rotatable with the drum and to which a trailing end of the flexure arm is connected;
and wherein the pawl-support plate comprises a buttress that protrudes axially from the pawl-support plate, with at least a portion of the buttress being positioned circumferentially rearward of at least a portion of the trailing end of the pawl.