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. 22, 1998
Filed:
Jun. 12, 1997
Shikoku Kakoki Co., Ltd., Tokushima, JP;
Abstract
A web accumulator having an even number of dancer rollers, arranged on either side of a single vertical guide rod for guiding the dancer roller for upward and downward movement. A support structure is provided on the guide rod so as to be movable upward and downward but not to rotate about an axis of the guide rod and supporting the dancer roller in a horizontal position. The support structure includes a lift sleeve fitting around the guide rod so as to be movable upward and downward while being prevented from rotating about the axis of the guide rod. A plurality of rolling members rollable along the vertical guide rod are provided between the guide rod and the lift sleeve and rollably retained on the lift sleeve.