主权项 |
1. A flexible mat comprising:
a flexible cushion layer; a plurality of vibration device assemblies coupled to the cushion layer in a plurality of rows and columns with each row having at least three of said assemblies, the vibration device assemblies being spaced apart from each other within the rows and columns, each vibration device assembly comprising an eccentric rotating mass vibratory motor and a generally cylindrical housing associated with the motor and being approximately the same size and shape as the motor, each housing having a length of equal to or less than two inches and having a central axis extending axially along the length, the central axes of the plurality of housings extending generally parallel to a width of the cushion layer to facilitate rolling of the mat, and the flexible cushion layer comprising an upper layer in direct contact with a lower layer, the upper and lower layers each being provided with a plurality of cavities, each of the cavities of the upper layer being associated with one of the cavities of the plurality of cavities of the lower layer so as to define pockets having a generally circular cross section, the vibration device assemblies being located within the pockets so as to be surrounded by flexible cushion layer. |