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:
Feb. 12, 2008
Filed:
Jan. 27, 2005
Michael Van Mill, Shell Rock, IA (US);
Alan Gustafson, Aplington, IA (US);
Daryl Rubner, Strawberry Point, IA (US);
Michael Van Mill, Shell Rock, IA (US);
Alan Gustafson, Aplington, IA (US);
Daryl Rubner, Strawberry Point, IA (US);
Unverferth Manufacturing Co., Inc., Shell Rock, IA (US);
Abstract
A flexible connector may include a tube having an open end and a lower end distal from the open end, an inner surface of the open end comprising a plurality of apices forming a substantially polygonal lower cross-section, an upper shaft having an insert end disposed insertably in the open end, an outer surface of the insert end comprising a plurality of substantially planer flats forming a substantially polygonal upper cross-section normal to the driven axis of rotation, the upper cross-section being substantially similar to the lower cross-section, and an elastic member disposed compressably between each of the flats and each of the apices.