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. 04, 1993
Filed:
Jan. 16, 1992
Romuald L Bukoschek, Klagenfurt, AT;
U.S. Philips Corp., New York, NY (US);
Abstract
An electric shaver (1) is provided comprising a housing (2), a shaving head (5) comprising a shaving foil (7) and a cutter assembly (8) with cutter lamellae (19), and a motor (23) of the rotary type as well as a transmission mechanism (31) acting between the motor (23) and the cutter assembly (8) in order to convert the rotation of the motor shaft (30) into a reciprocating movement to the drive a cutter assembly (8), the motor (23) having a nominal operating speed between 8000 and 10,000 revolutions per minute, wherein the motor (23) is covered with a sheath (32) of an elastic material, the transmission mechanism (31) comprises at least one balancing mass (52), and each of the cutter lamellae (19) of the cutter assembly (8) is provided with an indentation (57, 58) in each of its two side faces (55, 56) which are each bounded by a cutting edge (53, 54), which indentation extends parallel to the cutting edge (53, 54), and exhibits a cutting angle (.beta.) smaller than 90.degree. at both its cutting edges (53, 54).