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:
Nov. 16, 1999
Filed:
Apr. 11, 1997
Albert G Gapinski, Boulder, CO (US);
Charles W Schwimmer, San Jose, CA (US);
Schwinn Fitness & Cycling Inc., Boulder, CO (US);
Abstract
A pump head includes a main body defining a chamber and having a top end and a bottom end, a first force transmitting member slidably positioned in the chamber adjacent the top end of the main body, and a second force transmitting member slidably positioned in the chamber adjacent the first force transmitting member and the top end of the main body. A camming device is pivotally mounted at the top end of the main body, the camming device having first, second third and fourth engagement surfaces, the first, second, and third engagement surfaces in selective engagement with the first force transmitting member, and the first, second and fourth engagement surfaces in selective engagement with the second force transmitting member. A resilient collar stationarily positioned in the chamber between the bottom end and the first force-transmitting member, and defining an axial cavity having an inner wall and an inside diameter. The inside diameter is at a maximum dimension when the first engagement surface en cages the first force transmitting member, the inside diameter is at a intermediate dimension when the second engagement surface engages the first force transmitting member, and the inside diameter is at a minimum dimension when the third engagement surface engages the first force transmitting member. The second force transmitting member is displaced downwardly a first distance when the first engagement surface engages the second force transmitting member, and is displaced downwardly a second distance when the second engagement surface engages the second force transmitting member, and is displaced relatively upwardly when the fourth engagement surface engages the second force transmitting member.