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. 23, 1999
Filed:
Oct. 28, 1997
Applicant:
Inventor:
Robert Snyder, Hubbard, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
188171 ;
Abstract
A disk brake for industrial use, especially overhead cranes and the like includes; electromagnetic coils that upon activation are arranged for disengaging a spring-urged armature plate from contact with a multiple friction thrust disk assembly. The friction disks being in direct drive contact with the drive shaft of the overhead crane. The thrust disk between the friction disk are engaged after deactivation of the electromagnetic coils that are electrically connected in series from a parallel DC circuit driven by a tuned AC transformer and rectifier system.