Vibrator motor in hand-held electric appliance

Claim 2

A portable hand-held electrical appliance comprising, a casing, a vibratory motor in the casing having a stator and an armature, said armature being pivotly mounted with respect to the stator, a frame carrying the stator, and pivot means in said casing for suspending said motor within and spaced from the casing as well as providing for pivotal movement of the armature, said pivot means being the sole support for the motor within the casing and permitting pivotal movement of the motor with respect to the casing upon energization thereof.

Claim 3

The appliance of claim 1 in which the pivot axis for the armature and for the frame are coincident.

Claim 4

The appliance of claim 1 wherein the pivot means includes a shaft having its ends rotatably carried by the casing and having the armature secured thereto but the frame freely movable thereon.

Claim 5

The appliance of claim 1 wherein spring means are carried by the stator to lightly bear against the casing to maintain the stator spaced from the walls of the casing.

Claim 6

The appliance of claim 4 wherein the appliance is a dry shaver with cutters, and the pivot means is disposed at one end of the casing adjacent the cutters and the spring means is disposed adjacent the other end of the casing.

Claim 7

The appliance of claim 1 wherein means are provided to transfer unbalancing moments caused by movement of the armature to transmit same to the pivot means to thereby cancel said moments.

Claim 8

The appliance of claim 6 wherein said transfer means includes wire elements which embrace the stator and have ends secured adjacent said pivot means.

Claim 9

The appliance of claim 6 wherein said transfer means opposes movement of the stator in either direction about the pivot means but permits movement of the armature with respect to the stator.

Claim 10

A portable hand-held electrical appliance comprising, a casing, a vibratory motor in the casing having a stator and an armature, said armature being pivotly mounted with respect to the stator, a frame carrying the stator, and a pivot means in said casing for suspending said motor within and spaced from the casing, said pivot means being the sole support for the motor within the casing and permitting pivotal movement of the motor with respect to the casing upon energization thereof, said pivot means also provides pivotal movement of the armature, wherein means are provided to transfer unbalancing moments caused by movement of the armature to transmit same to the pivot means to thereby cancel said moments, said transfer means includes wire elements which embrace the stator and have ends secured adjacent said pivot means, said wire elements include two resilient wire elements, one of said elements having an end secured adjacent the pivot means, adjacent a wall of the casing and a portion engaging one side of the stator to urge the latter in one direction, and the other wire element having an end secured adjacent the pivot means near an opposite wall of the casing and having a part engaging an opposite side of the stator for urging the latter in a direction opposite to the direction in which the stator is urged by the portion of said one element.

Claim 11

A portable hand-held electrical appliance comprising, a casing, a vibratory motor in the casing having a stator and an armature, said armature being pivotly mounted with respect to the stator, a frame carrying the stator, and a pivot means in said casing for suspending said motor within and spaced from the casing, said pivot means being the sole support for the motor within the casing and permitting pivotal movement of the motor with respect to the casing upon energization thereof, said pivot means also provides pivotal movement of the armature, wherein means are provided to transfer unbalancing moments caused by movement of the armature to transmit same to the pivot means to thereby cancel said moments, said transfer means includes wire elements which embrace the stator and have ends secured adjacent said pivot means, said wire elements include two resilient wire elements, one of said elements having an end secured adjacent the pivot means, adjacent a wall of the casing and a portion engaging one side of the stator to urge the latter in one direction, and the other wire element having an end secured adjacent the pivot means near an opposite wall of the casing and having a part engaging an opposite side of the stator for urging the latter in a direction opposite to the direction in which the stator is urged by the portion of said one element.