Apparatus with elliptical movement for microdermabrasion and topical delivery of treatments

An apparatus for providing elliptical motion, comprising:

• a) a housing;
• b) a motor;
• c) a drive shaft having an axis of rotation and extending from the motor;
• d) at least one attachment member associated with the motor;
• e) an elliptical motion creating mechanism associated with the shaft, the mechanism including a first offset motion means for imparting movement in a first rotational direction offset from the axis of the shaft and a second offset motion means for imparting movement in a second rotational direction offset from the axis of the shaft;
• and,
• f) a mounting bracket assembly comprising
• i) an inner mounting bracket comprising
• (a) an inner base plate operatively associated with the first offset motion means of the elliptical motion creating mechanism,
• (b) a first side arm extending from the inner base plate and associated with an attachment member,
• (c) a second side arm extending from the inner base plate and associated with an attachment member,
• (d) a first pin extending from the inner mounting bracket base plate,
• ii) an outer mounting bracket comprising,
• (a) an outer base plate operatively associated with the second offset motion means of the elliptical motion creating mechanism,
• (b) a first side leg extending from the outer mounting bracket base plate,
• (c) a second side leg extending from the outer mounting bracket base plate,
• (d) a second pin extending from the outer mounting bracket base plate,
• whereby rotation of the shaft causes the first offset motion means for imparting movement to rotate and impart oscillating elliptical motion to the inner mounting bracket and the first pin, and impart oscillating elliptical motion to the outer mounting bracket and the second pin.

A brush head assembly attachable to a drive apparatus, the drive apparatus comprising a housing, motor, drive shaft, means for producing oscillating elliptical motion in a X-axis and a Y-axis, both axes being orthogonal to the drive shaft, a first connecting member and a second connecting member, each connecting member being associated with the means for producing elliptical motion, the brush head assembly comprising:

• a) a first oscillating plate having a first face including a connecting portion adapted to connect to the first connecting member, the first oscillating plate having a second face including a plurality of protrusions;
• b) a second oscillating plate having a first face including a connecting portion adapted to connect to the second connecting member, the second oscillating plate having a second face including a plurality of protrusions, wherein the first and second oscillating plates are in separate generally parallel planes and adapted for oscillating elliptical motion;
• c) a brush head assembly housing adapted to attach to the drive apparatus housing;
• d) a first suspension ring associated with the first oscillating plate and the brush head assembly housing such that the first suspension ring permits movement of the first oscillating plate in the X- and Y-axes,
• e) a second suspension ring associated with the second oscillating plate and the brush head assembly housing such that the second suspension ring permits movement of the second oscillating plate in the X- and Y-axes.

An apparatus for skin cleansing or delivery of skin treatment, comprising:

• a) a main housing;
• b) a motor;
• c) a drive shaft having an axis of rotation and extending from the motor;
• d) at least one attachment member associated with the motor;
• e) an elliptical motion creating mechanism associated with the shaft, the mechanism including a first axially offset member for imparting movement in a first elliptical direction offset from the axis of the shaft and a second axially offset member for imparting movement in a second elliptical direction offset from the axis of the shaft;
• and,
• f) a mounting bracket assembly comprising
• i) an inner mounting bracket comprising
• (a) an inner base plate operatively associated with the first offset member,
• (b) a first side arm extending from the inner base plate and associated with an attachment member,
• (c) a second side aim extending from the inner base plate and associated with an attachment member,
• (d) a first pin extending from the inner mounting bracket base plate,
• ii) an outer mounting bracket comprising,
• (a) an outer base plate operatively associated with the second offset member,
• (b) a first side leg extending from the outer mounting bracket base plate,
• (c) a second side leg extending from the outer mounting bracket base plate,
• (d) a second pin extending from the outer mounting bracket base plate, whereby rotation of the shaft causes the first offset member to rotate and impart oscillating elliptical motion to the inner mounting bracket and the first pin, and impart oscillating elliptical motion to the outer mounting bracket and the second pin;
• g) a brush head assembly attachable to the main housing, the brush head assembly comprising
• i) a first oscillating plate having a first face including a connecting portion adapted to connect to a first connecting member associated with the elliptical motion creating mechanism, the first oscillating plate having a second face including a plurality of protrusions;
• ii) a second oscillating plate having a first face including a connecting portion adapted to connect to a second connecting member associated with the elliptical motion creating mechanism, the second oscillating plate having a second face including a plurality of protrusions, wherein the first and second oscillating plates are in separate generally parallel planes and adapted for oscillating elliptical motion;
• iii) a brush head assembly housing adapted to attach to the main housing;
• iv) a first suspension ring associated with the first oscillating plate and the brush head assembly housing such that the first suspension ring permits movement of the first oscillating plate in an X-axis and a Y-axis,
• v) a second suspension ring associated with the second oscillating plate and the brush head assembly housing such that the second suspension ring permits movement of the second oscillating plate in an X-axis and a Y-axis.

An apparatus for providing dual offset elliptical motion, comprising:

• a) a main housing;
• b) a motor;
• c) a rotatable drive shaft having an axis of rotation and extending from the motor;
• d) an offset axis cam associated with the shaft, the cam including a first cam lobe for imparting movement in a first elliptical direction offset from the axis of the shaft and a second cam lobe for imparting movement in a second elliptical direction offset from the axis of the shaft;
• e) an attachable assembly comprising
• i) an assembly housing,
• ii) a first oscillating plate having a central aperture, an edge and a pair of first pins extending from a first area of the first oscillating plate edge and a pair of second pins extending from an area of the first oscillating plate edge opposite from the first area,
• iii) a second oscillating plate having a central aperture, an edge and a pair of first pins extending from a first area of the second oscillating plate edge and a pair of second pins extending from an area of the second oscillating plate edge opposite from the first area,
• iv) a plurality of slots either formed in or associated with the assembly housing, each slot adapted to slidingly receive one of the pins,
• wherein the first cam lobe is received within the first oscillating plate central aperture and the second cam lobe is received within the second oscillating plate central aperture such that rotation of the first cam lobe causes the first oscillating plate to move in a first elliptical path and rotation of the second cam lobe causes the second oscillating plate to move in a second elliptical path, whereby the first elliptical path is offset from the second elliptical path.