BOX LUBRICATION PUMP

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

15717310

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A box lubricator that includes a pump with a piston housing and piston. The piston housing extends from a first end to a second end, and includes a bore extending through the piston housing from the first end of the piston housing to the second end of the piston housing. The piston housing also includes a recess disposed at the second end of the piston housing, the recess being concentric with the bore and comprising a diameter larger than a diameter of the bore. The piston is disposed inside the bore of the piston housing. At least one elastomeric seal is disposed inside the recess of the piston housing and around the piston. In some embodiments, a ball and socket joint connects the piston to the rocker arm assembly. In some embodiments, a fluid passage and a check valve are disposed inside the piston.

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Patent Owner(s)

Patent OwnerAddress
GRACO MINNESOTA INC88TH 11TH AVENUE NE MINNEAPOLIS MN 55413

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shakal, Anthony J Rogers, US 6 4

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