Hand tightened hydraulic fitting
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Nov 13, 2012
filing date -
Dec 26, 2011
priority date (Note) -
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Abstract
This disclosure relates generally to hose couplings useful for mining applications, more particularly to a fluid coupling capable of generally fully tightened by hand, including a visual lock for visual indication and safety when in a hand-tightened position. The coupling generally includes a male portion, a female portion, a retaining member and a locking member. The male portion passes through the retaining member, and the retaining member threadingly engages the female member. The locking member prevents unthreading of the retaining member from the female member.
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