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:
May. 02, 1989
Filed:
Mar. 24, 1988
Yoshiharu Kobayashi, Hyogo, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A flat motor includes a rear bracket 1 of magnetic material, a permanent magnet 2 fixed to an end of the rear bracket, a front bracket 3 of magnetic material facing the permanent magnet, an armature 4 having a coil 5 thereof, a rotary shaft 7 for rotatably supporting the armature between the front bracket and the permanent magnet, and a commutator 6 pressure-fixed on the rotary shaft. A rotor 15 of a rotation detector 11 is fixed on the rotary shaft and has teeth 15c along its outer periphery. A stator 11d has an inner periphery facing the rotor teeth, a cover member 11h houses a magnet 11c and a coil 11b, the cover member being affixed to the rear bracket, and coupling members 6a, 15b establish a direct connection between the rotor and the commutator.