Vibrator motors

Claim 2

In a vibratory motor, a pivot shaft, a magnetic fieldgenerating stator having arcuate pole faces adapted to be fixed centered on the axis of said shaft, a rotor unit including an armature member pivotally mounted on said shaft for oscillation, said armature member having arcuate pole faces centered on said axis for movement with respect to said stator pole faces from an at rest position whereat said armature pole faces overlap said stator pole faces by a predetermined degree of entry, said rotor unit further including an oscillator member pivotally mounted on said shaft and a driving arm extending from said oscillator member adapted for coaction with selected working means when said oscillator member is moved from an at rest position, said oscillator member and said armature member adapted for pivotal adjustment on said shaft individually and independently of each other for respectively positioning said driving arm and armature pole faces at their selected at rest positions, and means carried by said armature member and said oscillator member for securing said oscillator member to said armature member in said respective adjusted at rest positions for vibratory pivotal oscillation in unison on said shaft.

Claim 3

The combination of claim 1 wherein the armature member includes a pair of spaced support arms having apertures for pivotally mounting said armature member on said pivot shaft, said oscillator member being pivotally received between said arms, at least one of said arms having a slot defining an oversized opening for receiving a fastener member at a side of said oscillator member.

Claim 4

A vibratory motor comprising, support means, a stator carried by said support means, said stator having spaced ends provided with pole faces, a shaft mounted on said support means, a vibratory rotor unit mounted on said shaft, said rotor unit including an armature member having pole faces complementary to said stator pole faces, said rotor unit further including an oscillator member having a drive arm extending therefrom, means mounting said oscillator and armature adjacent each other on said shaft for movement individually of eaCh other about said shaft, spring means supported at one end by said support means and at their opposite ends extending towards and engaging said rotor unit to maintain said oscillator member and said armature member at initial at rest positions on said shaft, said armature member being pivotally adjustable on said mounting means about said shaft away from the at rest position of the oscillator member to adjust the position of the armature pole faces at a selected overlap relationship with said stator pole faces, and means carried by said rotor unit for securing said armature member to said oscillator member in the adjusted position of said armature member and the initial at rest position of said oscillator member for vibratory pivotal movement in unison on said shaft.

Claim 5

A vibratory motor comprising, support means, a stator carried by said support means, said stator having spaced ends provided with pole faces, a shaft mounted on said support means, a vibratory rotor unit mounted on said shaft, said rotor unit including an armature member having pole faces complementary to said stator pole faces, said rotor unit further including an oscillator member having a drive arm extending therefrom, means mounting said oscillator and armature adjacent each other on said shaft for movement individually of eaCh other about said shaft, spring means supported at one end by said support means and at their opposite ends extending towards and engaging said rotor unit to maintain said oscillator member and said armature member at initial at rest positions on said shaft, said armature member being pivotally adjustable on said mounting means about said shaft away from the at rest position of the oscillator member to adjust the position of the armature pole faces at a selected overlap relationship with said stator pole faces, and means carried by said rotor unit for securing said armature member to said oscillator member in the adjusted position of said armature member and the initial at rest position of said oscillator member for vibratory pivotal movement in unison on said shaft.

Claim 6

A vibratory motor, comprising a U-shaped electromagnetic stator provided with arcuate pole faces on the ends of the spaced legs thereof, a shaft, an oscillator member pivotally mounted on said shaft and having at least one drive arm extending therefrom, spring means maintaining said oscillator member in a selected at rest position on said shaft, an armature member including a first portion provided with complementary armature pole faces centered on the axis of said shaft and a second portion comprising a pair of hanger arms pivotally mounting said armature on said shaft adjacent said oscillator, said armature member being pivotal on said hanger arms about said shaft relative to said oscillator to an adjusted moved position to establish a predetermined at rest position of said armature pole faces relative to said stator pole faces, and means carried by said armature and said oscillator for securing said armature member to said oscillator member against relative movement with respect to each other in the adjusted at rest positions of said members.

Claim 7

A vibratory motor, comprising a U-shaped electromagnetic stator provided with arcuate pole faces on the ends of the spaced legs thereof, a shaft, an oscillator member pivotally mounted on said shaft and having at least one drive arm extending therefrom, spring means maintaining said oscillator member in a selected at rest position on said shaft, an armature member including a first portion provided with complementary armature pole faces centered on the axis of said shaft and a second portion comprising a pair of hanger arms pivotally mounting said armature on said shaft adjacent said oscillator, said armature member being pivotal on said hanger arms about said shaft relative to said oscillator to an adjusted moved position to establish a predetermined at rest position of said armature pole faces relative to said stator pole faces, and means carried by said armature and said oscillator for securing said armature member to said oscillator member against relative movement with respect to each other in the adjusted at rest positions of said members.

Claim 8

A vibratory motor for an electric shaver or the like, comprising support means, a U-shaped magnetic field stator mounted in fixed position on said support means and having arcuate pole faces on the ends of the legs thereof, a pivot shaft mounted on said support means and in centered relationship to said stator pole faces, an oscillator member pivotally mounted on said pivot shaft and having a drive arm extending therefrom adapted for driving engagement with a shaver cutter or the like, a pair of compression springs mounted on said support means and engaging opposite side surfaces of said oscillator member to establish an initial at rest position of said oscillator on said shaft, an armature member pivotally mounted on said shaft adjacent said oscillator and having arcuate pole faces complementary to said stator pole faces, said armature member being pivotally adjustable on said shaft independently of said oscillator member in said at rest position thereof for establishing a selected degree of entry of said armature pole faces relative to said stator pole faces, and means carried by said members for securing said armature and oscillator together in the adjusted position of the armature and the at rest position of the oscillator for vibratory pivotal movement in unison on said shaft.

Claim 9

A vibratory motor for an electric shaver or the like, comprising support means, a U-shaped magnetic field stator mounted in fixed position on said support means and having arcuate pole faces on the ends of the legs thereof, a pivot shaft mounted on said support means and in centered relationship to said stator pole faces, an oscillator member pivotally mounted on said pivot shaft and having a drive arm extending therefrom adapted for driving engagement with a shaver cutter or the like, a pair of compression springs mounted on said support means and engaging opposite side surfaces of said oscillator member to establish an initial at rest position of said oscillator on said shaft, an armature member pivotally mounted on said shaft adjacent said oscillator and having arcuate pole faces complementary to said stator pole faces, said armature member being pivotally adjustable on said shaft independently of said oscillator member in said at rest position thereof for establishing a selected degree of entry of said armature pole faces relative to said stator pole faces, and means carried by said members for securing said armature and oscillator together in the adjusted position of the armature and the at rest position of the oscillator for vibratory pivotal movement in unison on said shaft.

Claim 10

A vibrator motor comprising a V-shaped, bipolar stator and a multipolar armature lying in the stator plane and adapted to oscillate about a stationary shaft, an elastic body engaging each side of said armature for urging said armature into its rest position, said armature comprising an armature body portion, a pair of armature pole portions, and connection means for connecting said pole portions and said armature body for relative movement, the connection means including a pair of side plates one on each side of the armature body portion, collar means located on the armature body concentrically with the stationary shaft for movably supporting said side plates, means for removably fixing said side plates relative to said armature body portion, and means for securing said pole portions between said side plates.

Claim 11

A vibrator motor comprising a V-shaped, bipolar stator and a multipolar armature lying in the stator plane and adapted to oscillate about a stationary shaft, an elastic body engaging each side of said armature for urging said armature into its rest position, said armature comprising an armature body portion, a pair of armature pole portions, and connection means for connecting said pole portions and said armature body for relative movement, the connection means including a pair of side plates one on each side of the armature body portion, collar means located on the armature body concentrically with the stationary shaft for movably supporting said side plates, means for removably fixing said side plates relative to said armature body portion, and means for securing said pole portions between said side plates.

Claim 12

An electric vibrator motor operable from a source Of electric power, comprising: a. a frame; b. a stator with at least two spaced pole faces; c. a shaft secured to the frame; d. an armature pivotable between at rest and activated positions, including (i) a first part having spaced pole faces corresponding to the pole faces of the stator, this part pivotally mounted on the shaft with the pole faces thereof movable adjacent an and relative to the stator pole faces, and (ii) a body part mounted on said shaft for pivotal movement independent of the first part to selected pivot positions relative to the body part; e. means for fixedly securing together as a unit the first part to the body part in one of said selected positions; and f. spring means engaging the frame and said armature unit for urging said unit toward said at rest position.

Claim 13

An electric vibrator motor operable from a source Of electric power, comprising: a. a frame; b. a stator with at least two spaced pole faces; c. a shaft secured to the frame; d. an armature pivotable between at rest and activated positions, including (i) a first part having spaced pole faces corresponding to the pole faces of the stator, this part pivotally mounted on the shaft with the pole faces thereof movable adjacent an and relative to the stator pole faces, and (ii) a body part mounted on said shaft for pivotal movement independent of the first part to selected pivot positions relative to the body part; e. means for fixedly securing together as a unit the first part to the body part in one of said selected positions; and f. spring means engaging the frame and said armature unit for urging said unit toward said at rest position.

Claim 14

A motor according to claim 7 wherein the armature unit first part and body part are pivotable in generally parallel and adjacent planes.

Claim 15

An electric vibrator motor operable from a source of electric power, comprising: a. a frame; b. a stator with at least two spaced pole faces; c. a shaft secured to the frame; d. an armature including (i) a first part pivotal about said shaft with pole faces corresponding to those of the stator and movable between at rest and activated positions relative to the stator pole faces, (ii) a second part movable to selected positions relative to the first part, and (iii) means for fixedly securing together as a unit the first and second parts in one of said selected positions; and e. spring means engaging the frame and said armature unit for urging said unit to an at rest position.

Claim 16

An electric vibrator motor operable from a source of electric power, comprising: a. a frame; b. a stator with at least two spaced pole faces; c. a shaft secured to the frame; d. an armature including (i) a first part pivotal about said shaft with pole faces corresponding to those of the stator and movable between at rest and activated positions relative to the stator pole faces, (ii) a second part movable to selected positions relative to the first part, and (iii) means for fixedly securing together as a unit the first and second parts in one of said selected positions; and e. spring means engaging the frame and said armature unit for urging said unit to an at rest position.