Toothbrush having series of bristles of different height

• US 4,519,111 A
• Filed: 10/26/1982
• Issued: 05/28/1985
• Est. Priority Date: 11/06/1981
• Status: Expired due to Term

• Current Assignee: Paolo Cavazza
• Original Assignee: Paolo Cavazza
• Inventors: Cavazza, Paolo
• Primary Examiner(s): NOT, DEFINED
• Application Number:
  US06/436,706
• Time in Patent Office: 945 Days
• Field of Search: 15/167 R, 15/167 A, 15/110, 15/106, 15/159 R, 15/DIG. 5
• US Class Current: 15/167.1
• 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
• CPC Class Codes: Y10S 15/05 Varied length bristle

Abstract

The object of the present invention is a toothbrush having the bristles grouped into tufts arranged in parallel rows, said bristles consisting of a first series of tufts whose height becomes greater the more distant they are from the end of the toothbrush opposite to the handle thereof, and of a second series of tufts of constant height, which alternate regularly with the tufts of bristles of the first series.

Claims

1. A toothbrush having the bristles grouped into tufts arranged in parallel rows, characterized in that the bristles as a whole (7) consist of a first series of tufts (5¹, 5², 5³ . . . ) whose height becomes greater the more distant they are from the end of the toothbrush opposite to the handle, and of a second series of tufts (6) of constant height, which alternate regularly with the tufts of bristles of the first series.

2. A toothbrush according to claim 1, characterized in that the height of the bristles (5¹, 5², 5³ . . . ) of said first series becomes greater, in a linear manner, as the distance between said bristles and the end of the toothbrush opposite to the handle increases.