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.

Date of Patent:
Sep. 17, 2019

Filed:

Mar. 02, 2016
Applicant:

Msa Technology, Llc, Cranberry Township, PA (US);

Inventor:

Mitchell H. Hetrich, Greenville, PA (US);

Assignee:

MSA Technology, LLC, Cranberry Township, PA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 35/00 (2006.01); B65H 75/44 (2006.01); B65H 75/48 (2006.01); F16F 9/14 (2006.01); A62B 1/08 (2006.01); A62B 1/12 (2006.01);
U.S. Cl.
CPC ...
A62B 35/0093 (2013.01); A62B 1/08 (2013.01); A62B 1/12 (2013.01); B65H 75/4418 (2013.01); B65H 75/4436 (2013.01); B65H 75/4471 (2013.01); B65H 75/486 (2013.01); F16F 9/145 (2013.01);
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.


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