Patent ID: 6161244
Filing Date: 2000-12-19
Classification: A46B,B25G,Y10T

Abstract:
A toothbrush comprising a brush head and a brush handle;wherein said brush head comprises a front end and a rear end;wherein said brush head includes an axial recess extending along a longitudinal axis of said rear end of said brush head;wherein said brush handle comprises a front end and a rear end; andwherein said brush handle further comprises an axial sliding bearing extending along a longitudinal axis of said front end of said brush handle;wherein said brush head is releasably connected to said brush handle by a bayonet catch;wherein said bayonet catch comprisesat least one locking groove in said axial recess in said rear end of said brush head; anda locking pin which is mounted in said axial sliding bearing:wherein said locking pin comprisesa front end which protrudes out of said front end of said brush handle wherein said front end of said locking pin comprises at least one bayonet stud, each said bayonet stud being directed radially to the locking pin and engaging a corresponding said locking groove; andwherein said locking pin is movable within said axial sliding bearing to a limited extent along said longitudinal axis of said front end of said brush handle and is non-rotatable about said longitudinal axis of said front end of said brush handle; and wherein said locking pin is resiliently prestressed by a prestressing device along said longitudinal axis of said front end of said brush handle in a direction away from the brush head.