Electric toothbrush

• US 3,316,576 A
• Filed: 08/19/1965
• Issued: 05/02/1967
• Est. Priority Date: 08/19/1965
• Status: Expired due to Term

• Current Assignee: Richard L. Urbush
• Original Assignee: Richard L. Urbush
• Inventors: Urbush, Richard L.
• Application Number:
  US04/481,020
• Time in Patent Office: 621 Days
• US Class Current: 15/22.1
• CPC Class Codes: A61C 17/40 orbiting, e.g. nutating
• CPC Class Codes: Y10T 279/17153 Spring jaws
• CPC Class Codes: Y10T 279/17461 Nonresilient member biased by a resilient member

Claims

1. AN ELECTRIC TOOTHBRUSH PROVIDED WITH BRUSH HANDLE HOLDING MEANS IN WHICH THE BRUSH HANDLE IS RETAINED BY FRICTIONAL ENGAGEMENT AND IS INSERTED AND REMOVED BY SIMPLE PUSH AND PULL MOVEMENTS WITHOUT MANIPULATION OF ANY PARTS, COMPRISING (A) A CASING, (B) A BRUSH HOLDER HOUSING HAVING AN OPENING IN ITS FORWARD END MOUNTED IN THE CASING, (C) A PAIR OF SEPARATE SUBSTANTIALLY PARALLEL BRUSH HOLDER BARS EXTENDING LONGITUDINALLY OF THE HOUSING IN ALIGNMENT WITH THE OPENING, (D) RESILIENT MEANS BETWEEN EACH BAR AND THE HOLDER HOUSING YIELDINGLY URGING SAID BARS TOWARD EACH OTHER, SAID RESILIENT MEANS COMPRISING AN ELONGATED LEAF SPRING EXTENDING LONGITUDINALLY OF THE BAR AND MEANS FASTENING THE SPRING TO THE BAR BETWEEN THE SPRING ENDS, THE OPPOSITE ENDS OF THE SPRING BEING BIASED TO EXTEND IN DIVERGENT DIRECTIONS AWAY FROM THE BAR AND TO BEAR AGAINST THE HOUSING SURFACE, (E) A MOTOR IN THE CASING, AND (F) MEANS OPERATIVELY CONNECTING THE BRUSH HOLDER HOUSING TO THE MOTOR FOR RECIPROCATING THE HOUSING, (G) SAID BARS BEING SEPARABLE BY INSERTION OF A TOOTHBRUSH HANDLE BETWEEN SAID HOLDER BARS INTO FRICTIONAL ENGAGEMENT THEREWITH.