The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 2019
Filed:
Feb. 14, 2016
Msa (Suzhou) Safety Equipment R&d Co., Ltd., Suzhou, CN;
Aimei Wu, Suzhou, CN;
MSA (Suzhou) Safety Equipment R&D Co., Ltd., Suzhou, CN;
Abstract
A speed reducer arrangement () for a line retraction device (), including at least one lug () fixed on a surface of a rotatable hub () and configured to rotate along with the hub (); at least one brake shoe () having at least one groove () extending therethrough and configured to at least partially receive the at least one lug (), such that, as the hub () rotates, the at least one brake shoe () is configured to slidably move along the at least one groove () from an inactivated position, wherein the at least one brake shoe () is located nearest the center of the hub () to an activated position, wherein the at least one brake shoe () contacts at least one contact surface of the line retraction device () to thereby slow the rotation of the hub (); and at least one biasing member () configured to urge the at at least one brake shoe () towards the inactivated position.