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:
Apr. 27, 1993
Filed:
Jun. 10, 1991
Applicant:
Inventors:
David A Bruno, San Diego, CA (US);
Mark J Brooks, Oceanside, CA (US);
Quang Nguyen, San Diego, CA (US);
David M Brooks, Vista, CA (US);
Assignee:
Electro Scientific Industries, Inc., Portland, OR (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
198389 ; 198390 ; 198762 ; 198767 ; 198769 ; 198771 ;
Abstract
Methods and apparatus for vibration-generated movement and manipulation, such as transportation, orientation, loading or sorting of materials are provided. At least one electromagnetic coil is disposed to act in a horizontal plane, and another electromagnetic coil may be disposed to act in a vertical plane, imparting two-dimensional vibration to a generally horizontal vibratory surface. Apparatus vibrationally transports parts across a surface while concurrently orienting and sorting them. Reversibility of transport direction is also provided.