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.
Patent No.:
Date of Patent:
Sep. 05, 2023
Filed:
May. 12, 2020
Applicant:
Dl Technology, Llc, Haverhill, MA (US);
Inventor:
Jeffrey P. Fugere, Hampton Falls, NH (US);
Assignee:
DL Technology, LLC., Haverhill, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01C 21/10 (2006.01); F01C 21/02 (2006.01); F04C 2/16 (2006.01); F04C 2/107 (2006.01); F16C 19/36 (2006.01); F16C 19/14 (2006.01);
U.S. Cl.
CPC ...
F01C 21/10 (2013.01); F01C 21/02 (2013.01); F04C 2/107 (2013.01); F04C 2/16 (2013.01); F16C 19/14 (2013.01); F16C 19/364 (2013.01); F04C 2240/30 (2013.01); F04C 2240/50 (2013.01); F04C 2240/60 (2013.01); F16C 2326/58 (2013.01); F16C 2360/43 (2013.01);
Abstract
Provided is a feed screw assembly for a fluid dispense pump, comprising a feed screw; a feed screw shaft extending from the feed screw; a spanner nut about the feed screw shaft; a bearing assembly about the feed screw shaft between the spanner nut and the feed screw The bearing assembly includes an outer ring that directly abuts the spanner nut; and an inner ring that rotates inside and relative to the outer ring, wherein the inner ring is coupled to the feed screw shaft for rotating the feed screw, and wherein the inner ring is separated from the spanner nut by a gap.