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. 14, 1999
Filed:
Jun. 16, 1997
Richard K Gardner, Montpelier, OH (US);
Leo J Schlachter, Edgerton, OH (US);
Ingersoll-Rand Company, Woodcliff Lake, NJ (US);
Abstract
A reciprocating pump, including: a hollow tube having a first end; a hollow foot valve connected to the tube, the tube and foot valve defining a chamber, said foot valve having a first foot valve end and at least one inlet port formed at the first foot valve end; reciprocating member adapted to be movable in the chamber along a path defined by an axis; drive motor for moving the reciprocating means between a first retracted position and a second extended position; and a primer element connected to the reciprocating means, said primer element having a first dimension and a second dimension, said second dimension being equal to at least half of the first dimension.