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. 07, 1999
Filed:
Jul. 22, 1996
David A Brence, Empire, CO (US);
FMC Corporation, Chicago, IL (US);
Abstract
There is provided a vibratory feeder comprising an exciter for exciting the vibratory feeder and a damper assembly which is selectively activated. There is also provided a vibratory feeder comprising an exciter and a controllable viscosity fluid damper which is activated at a first level to reduce the stroke of the feeder. There is further provided a vibratory feeder for feeding product, the feeder including a spring for supporting a first mass from a second mass wherein a damper assembly is disposed between the first mass and the second mass, the damper assembly being selectively activated. There is also provided a packaging system comprising a vibratory feeder having a damper assembly which is selectively activated.