Patent ID: 8459894
Filing Date: 2013-06-11
Classification: F16C,Y10T

Abstract:
1. A sealed pivot assembly with lock/unlocking functionality comprising: an axis member having a first end member and a second end member, a plurality of threaded openings formed in both the first and second end member; a pair of locking sleeves, wherein one of the pair of locking sleeves is positioned over each of the first end and second end of the axis member; a pair of expansion sleeves, wherein one of the pair of expansion sleeves is positioned over each of the pair of locking sleeves, a plurality of threaded unlocking openings formed in each of the pair of expansion sleeves; a pair of tension washers, each tension washer having a plurality of holes, wherein at least one of the plurality of holes in each tension washer is threaded; a plurality of threaded locking devices, wherein at least one threaded locking device is inserted into one of the plurality of openings formed in each end of the axis member, the plurality of threaded locking devices engage the pair of tension washers causing the pair of tension washers to move towards the pair of expansion sleeves causing the expansion sleeves to expand to secure the axis member in the mounting lugs; and a plurality of threaded unlocking members, at least one threaded unlocking member positioned in the at least one threaded unlocking opening in one of the pair of expansion sleeves, wherein the plurality of threaded unlocking members force one of the pair of expansion sleeves axially causing one of the pair of expansion sleeves to loosen when the plurality of threaded unlocking members are removed.