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1. (WO2017151349) LINE RETRACTION DEVICE HAVING A DAMPER ASSEMBLY

Pub. No.:    WO/2017/151349    International Application No.:    PCT/US2017/018678
Publication Date: Sat Sep 09 01:59:59 CEST 2017 International Filing Date: Wed Feb 22 00:59:59 CET 2017
IPC: A62B 1/08
A62B 1/12
A62B 35/00
Applicants: MSA TECHNOLOGY, LLC
Inventors: HETRICH, Mitchell, H.
Title: LINE RETRACTION DEVICE HAVING A DAMPER ASSEMBLY
Abstract:
A line retraction device includes a rotatable drum having a line associated therewith, with the line including a first end directly or indirectly attached to the drum and a second end opposite the first end, and at least one retraction member biasing the drum in a first rotational direction of the drum opposite a second rotational direction of the drum, where the drum is configured to: (i) retract the line when the drum moves in the first rotational direction; and (ii) payout the line when the drum moves in the second rotational direction. The device further including a damper assembly configured to provide rotational resistance to the drum in: (i) the first rotational direction of the drum as the line is being retracted; and (ii) the second rotational direction as the line is being paid out.