Doris S Callahan

US Patent:

44125330, Nov 1, 1983

Filed:

Dec 31, 1981

Appl. No.:

6/336100

Inventors:

Doris S. Callahan - Fort Worth TX

International Classification:

A61H 100

US Classification:

128 33

Abstract:

An improved sleep-inducing device is disclosed for attachment to more than one bed of the type having a frame, a spring assembly supported by the frame and a mattress supported on the spring assembly, the device comprises: a base member; a motor mounted on said base member; means for connecting said base member to more than one bed frame; a plurality of rotatable crank disks; means driveably and adjustably coupling said motor to each of said crank disks; said crank disks having a link arm connecting each of said disks to a different spring assembly; each link arm being arranged to oscillate said spring assembly in response to the rotation of said crank disk; and means for independently varying the degree of oscillation imparted to each spring assembly to which said device is attached.