Therapeutic vibrating machine

Claim 2

A vibrating machine comprising: a fixed frame work; an adjustable frame work disposed on and having an end thereof hinged to one end of the fixed frame work; a table disposed on and suspended from the adjustable frame work; means for raising the free end of the adjustable frame work to a desired level above the fixed frame work; a vibrating unit attached to the underside of said table, said vibrating unit including on opposite sides thereof eccentric weights each amounted to rotate on an axis disposed transversely of the table; a motor on said vibrating unit for rotating said eccentric weights; a first adjusting means on said vibrating unit for varying the eccentricity of said eccentric weights and thereby varying the intensity of the vibrating impulses imparted to said table; and a second adjusting means on said vibrating unit for varying the relative phase angle of said eccentric weights and thereby varying the direction of the vibrating impulses imparted to said table.

Claim 3

A therapeutic vibrating machine comprising: a fixed frame work; an adjustable frame work disposed on said fixed frame work and having its front end hinged to the front end of said fixed frame work; a table disposed on said adjustable frame work and suspended from said adjustable frame work; means for raising the back end of the adjustable frame work above the fixed frame work and thereby tilting the table; a vibrating unit attached to the underside of the said table, said vibrating unit including a first shaft and a second shaft, each said shaft mounted to be rotatable on an axis oriented transversely of said table; a first eccentric weight attached to the end of said first shaft and a second eccentric weight attached to the end of said second shaft; a motor for rotating said shafts; first adjusting means for simultaneously varying the eccentricity of said eccentric weights and thereby varying the intensity of the vibrating impulses imparted to said table; and second adjusting means for varying the relative phase angle of said eccentric weights and thereby varying the direction of the vibrating impulses imparted to said table.

Claim 4

A therapeutic vibrating machine comprising: a fixed frame work; an adjustable frame work disposed on said fixed frame work and having its front end hinged to the front end of said fixed frame work; a table disposed on said adjustable frame work and suspended from said adjustable frame work; means for raising the back end of the adjustable frame work above the fixed frame work and thereby tilting the table; a vibrating unit attached to the underside of the said table, said vibrating unit including a first shaft and a second shaft, each said shaft mounted to be rotatable on an axis oriented transversely of said table; a first eccentric weight attached to the end of said first shaft and a second eccentric weight attached to the end of said second shaft; a motor for rotating said shafts; first adjusting means for simultaneously varying the eccentricity of said eccentric weights and thereby varying the intensity of the vibrating impulses imparted to said table; and second adjusting means for varying the relative phase angle of said eccentric weights and thereby varying the direction of the vibrating impulses imparted to said table.

Claim 5

The invention in accordance with claim 2 wherein said first and second shafts are coupled by a gear on said first shaft meshing with a gear on said second shaft.

Claim 6

The invention in accordance with claim 3 wherein said second adjusting means provides for rotating the gear on said second shaft about the gear on said first shaft to thereby vary the direction of the vibrating impulses imparted to the table when said eccentric weights are rotated.

Claim 7

The invention in accordance with claim 2 wherein the means for raising the back end of the adjustable frame work includes: a pair of hydraulic cylinders, the lower end of each said cylinder having a hinged connection to said fixed frame work; an arm movable within and extending out of each of said cylinders, the outer end of each of said arms having a hinged connection to said adjustable frame work; and an inlet for pressurized oil near the bottom of each of said cylinders for causing said arms to be raised to lift the back end of the adjustable frame work to a desired level.

Claim 8

The invention in accordance with claim 5 wherein said vibrating unit includes a gear box having an elongated cavity therein; said first and second shafts each have a gear thereon; said first shaft is supported for rotating in said gear box with the gear thereon rotating in one end of said cavity; said second shaft is supported for rotating in said gear box with the gear thereon rotating in the other end of said cavity and meshing with the gear on said first shaft; an oil reservoir; said cavity having an inlet for receiving oil from said oil reservoir and having an outlet for providing pressurized oil to the inlets of said hydraulic cylinders; and a valve for controlling the supply of pressurized oil to the inlets of said hydraulic cylinders.

Claim 9

The invention in accordance with claim 2 wherein said first eccentric weight comprises a cylindrical weight having a stem threaded in one direction for engaging a threaded opening in the end of said first shaft; said second eccentric weight comprises a cylindrical weight having a stem threaded in the opposite direction for engaging a threaded opening in the end of said second shaft; and said first adjusting means provides for either simultaneously advancing said stem toward the axes of said respective shafts or for simultaneously retracting said stems from the axes of said respective shafts.

Claim 10

The invention in accordance with claim 7 wherein said first adjusting means includes a control member supported for transverse slidable movement below the table; a pair of shoes attached to the underside of said control member, each said shoe forming an open channel located in a respective path of a cylindrical weight; said control member normally positioning said shoes to permit the cylindrical weights on the ends of the respective shafts to rotate therethrough without contacting the sides of the open channels formed by the shoes; said shoes being positioned by moving said control member in one transverse direction to cause the cylindrical weights to contact one of the sides of said channels to thereby cause the stems of said weights to be rotated into said shaft ends; and said shoes being positioned by moving said control member in the other transverse direction to cause the cylindrical weights to contact the other sides of said channels to thereby cause the stems of said weights to be rotated out of said shaft ends.

Claim 11

The invention in accordance with claim 3 wherein said vibrating unit includes a cylindrical sleeve mounted with its axis disposed transversely to said table; a gear box for rotatably supporting said first and second shafts and enclosing the gears thereon, said gear box having a cylindrical outer wall by which it is rotated in said sleeve; and wherein said second adjusting means provides for rotating said gear box in said sleeve to thereby rotate said second shaft about said first shaft and thereby vary the direction of the vibrating impulses imparted to said table.

Claim 12

The invention In accordance with claim 9 wherein said sleeve is provided with a circumferentially disposed arcuate slot; an arm is attached to the cylindrical wall of said gear box and extends radially outward through said arcuate slot; a control member is connected to the outer end of said arm; and said arm is movable by said control member along said arcuate slot to thereby rotate said second shaft about said first shaft; whereby the direction of the vibrating impulses imparted to said table by said rotating eccentric weights is varied.

Claim 13

The invention in accordance with claim 6 wherein each said eccentric weight comprises a cylindrical weight having a threaded stem which engages a threaded opening on the end of said shaft.

Claim 14

The invention in accordance with claim 3 wherein said vibrating unit includes a cylindrical sleeve mounted with its axis disposed transversely to said table and including a gear box having a cylindrical outer wall and rotatable in said sleeve, said gear box having an elongated cavity in the interior thereof, one end portion of said cavity centered in said gear box and the other end portion of said cavity offset from the center of said gear box; said first shaft supported for rotating in the center of said gear box with the gear thereon rotating in the centered end portion of said cavity; said second shaft supported for rotating off center in said gear box with the gear thereon rotating in the off center end portion of said cavity, the gear on the first shaft disposed to mesh with the gear on the second shaft; and said second adjustable means providing for rotating said gear box relative to said sleeve and thereby rotating said second shaft about said first shaft to thereby vary the direction of the vibrating impulses imparted to the table by the vibrating unit.

Claim 15

The invention in accordance with claim 2 wherein said adjustable frame work is provided with lugs projecting from the sides thereof near the front and back thereof, and including a loop of rubberized fabric depending from each of said projecting lugs; said table including an understructure provided with a front and back transverse member; and said table being suspended from said adjustable frame work by the ends of the transverse rods being held in said loop.

Claim 16

A therapeutic vibrating machine comprising: a fixed frame work; an adjustable frame work disposed on the top of said fixed frame work and having its front end hinged to the front end of said fixed frame work; said adjustable frame work having loops of rubberized fabric depending from the sides thereof near the front and back thereof; a table including an understructure provided with a front transverse member and a rear transverse member; said table located on said adjustable frame work and suspended therefrom by the ends of its front transverse member being supported in the loops depending from the sides near the front thereof and by the ends of its back transverse member being supported in the loops depending from the sides near the back thereof; means for raising the back of the adjustable frame work above the fixed frame work and thereby tilting the table; and a vibrating unit attached to the underside of the table; said vibrating unit including on opposite sides thereof eccentric weights each mounted to rotate on the end of a shaft having an axis disposed transversely of the table; and a motor on said vibrating unit for rotating said eccentric weights.

Claim 17

A therapeutic vibrating machine comprising: a fixed frame work; an adjustable frame work disposed on the top of said fixed frame work and having its front end hinged to the front end of said fixed frame work; said adjustable frame work having loops of rubberized fabric depending from the sides thereof near the front and back thereof; a table including an understructure provided with a front transverse member and a rear transverse member; said table located on said adjustable frame work and suspended therefrom by the ends of its front transverse member being supported in the loops depending from the sides near the front thereof and by the ends of its back transverse member being supported in the loops depending from the sides near the back thereof; means for raising the back of the adjustable frame work above the fixed frame work and thereby tilting the table; and a vibrating unit attached to the underside of the table; said vibrating unit including on opposite sides thereof eccentric weights each mounted to rotate on the end of a shaft having an axis disposed transversely of the table; and a motor on said vibrating unit for rotating said eccentric weights.