Toothbrush

• US 4,617,695 A
• Filed: 02/07/1985
• Issued: 10/21/1986
• Est. Priority Date: 02/07/1984
• Status: Expired due to Fees

• Current Assignee: Blendax-Werke R Schnieder GmbH & Company
• Original Assignee: Blendax-Werke R Schnieder GmbH & Company
• Inventors: Klein, Horst, Amos, Walter
• Primary Examiner(s): Feldman, Peter
• Application Number:
  US06/699,341
• Time in Patent Office: 621 Days
• Field of Search: 15/190-199
• US Class Current: 15/195
• CPC Class Codes: A46B 2200/1066 Toothbrush for cleaning the teeth or dentures A61C17/16 takes precedence; bristles arrangements for toothbrushes A46B9/04
• CPC Class Codes: A46B 9/04 Arranged like in or for toothbrushes

Abstract

A toothbrush having a brush handle and brush head is provided with a plurality of openings in the brush head for receiving therein bundles of bristles. Each of the plurality of openings is in the shape of a hexagon having parallel elongated sides and rounded opposing ends. The plurality of hexagonal openings are also of a substantially uniform depth to evenly receive the bristle bundles.

Claims

1. A toothbrush having a brush handle and a brush head with a flat surface area, said brush head being provided with a plurality of openings to receive bristle bundles therein, the improvement comprising:

a plurality of openings each in the shape of a hexagon having parallel elongated sides and rounded opposing ends;

said plurality of openings further being of a substantially uniform depth for receiving said bristle bundles.

2. A toothbrush according to claim 1, wherein the plurality of openings are such as to provide a ratio of bristle bundles to surface area of at least 40 percent.