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. 06, 1999
Filed:
Jan. 21, 1998
Lothar Haas, Rosstal, DE;
Joachim Naser, Nuremberg, DE;
Hans Schrumpf, Oberasbach, DE;
Sonja Reitenspiess, Nuremberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The electrical switching apparatus includes a housing (10), a coil (20) arranged in the housing (10), at least two switch terminals (35,50,60) arranged in the housing (10), a magnetic angle piece (30) in the housing (10) including a core (32) for the coil (20) and an armature (42) resiliently mounted on the magnetic angle piece (30) for making electrical contact between two switch terminals (35,50,60). The magnetic angle piece is preferably made by a method including punching or stamping a nearly rectangular piece (39) from sheet metal, forming a U-shaped opening around a separately bendable tongue (32a) in a central region of the nearly rectangular piece (39) so that side pieces (30a) are formed on opposite sides of the U-shaped opening (38) and a connecting piece (31a) connects the side pieces (30a) on another end of the rectangular piece (39) opposite from one switch terminal; bending the separately bendable tongue (32a) at right angles to a remaining portion of the nearly rectangular piece (39) including the side pieces (30a) to form the core (32) of the coil (20) and bending the connecting piece (31a) at substantially right angles to form an upper portion (31) of the magnetic angle piece arranged substantially parallel to the core (32).