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A seat cushion heated by an electrical resistance heating element sandwiched between two seat cushion sections is covered by a flexible sheet cover integral with two web projections projecting from an edge of the cushion and spaced apart lengthwise of such cushion edge a distance for reception of a

A seat cushion heated by an electrical resistance heating element sandwiched between two seat cushion sections is covered by a flexible sheet cover integral with two web projections projecting from an edge of the cushion and spaced apart lengthwise of such cushion edge a distance for reception of a hand therebetween, and a battery housing tube elongated lengthwise of such cushion edge arranged substantially parallel thereto, having ears projecting from the side of the battery housing tube nearer the cushion, spaced apart lengthwise of the tube a distance corresponding to the spacing of the web projections and secured to the web projections, a cap for closing one end of the battery housing tube and openable for insertion of a battery into the housing tube and the other end of the housing tube being closed by a cover including a rotary switch for energizing the electrical resistance heating element by a battery in the battery housing tube.

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1. An electrically heated seat cushion comprising a seat cushion having a heating unit therein and two flexible projections projecting from an edge of said cushion spaced apart lengthwise of said cushion edge a distance for reception of a hand therebetween and arranged symmetrically about the longit

1. An electrically heated seat cushion comprising a seat cushion having a heating unit therein and two flexible projections projecting from an edge of said cushion spaced apart lengthwise of said cushion edge a distance for reception of a hand therebetween and arranged symmetrically about the longitudinal center of said cushion edge, and a battery housing tube elongated lengthwise of said cushion edge, arranged substantially parallel thereto, substantially centered longitudinally with respect to said cushion edge and connected to said spaced cushion edge projections for serving as a grip. 2. The electrically heated seat cushion defined in claim 1, the cushion edge projections being web projections, the battery housing tube having ears projecting from the side thereof nearer the cushion and spaced apart lengthwise of the housing a distance corresponding to the spacing of said web projections and the battery housing being connected to the cushion edge by said web projections being secured to said ears, respectively. 3. The electrically heated seat cushion defined in claim 2, in which the flexible web projections are disposed substantially coplanar. 4. The electrically heated seat cushion defined in claim 2, including a flexible plastic sheet cover covering the seat cushion and being integral with flexible web projections. 5. The electrically heated seat cushion defined in claim 1, in which the seat cushion includes two seat cushion sections arranged in registration and an electrical resistance heating unit sandwiched between said two cushion sections. 6. A seat cushion assembly comprising a seat cushion having two flexible projections projecting from an edge thereof spaced apart lengthwise of said cushion edge a distance for reception of a hand therebetween and arranged symmetrically about the longitudinal center of said cushion edge, and a tube elongated lengthwise of said cushion edge, arranged substantially parallel thereto, substantially centered longitudinally with respect to said cushion edge and connected to said spaced cushion edge projections for serving as a grip. 7. The seat cushion assembly defined in claim 6, the cushion edge projections being flexible web projections, the tube being of a length equal to at least a major portion of the length of such cushion edge and having ears projecting from the side thereof nearer the cushion spaced apart lengthwise of the tube a distance corresponding to the spacing of said web projections, and the tube being connected to the cushion edge by said web projections being secured to said ears, respectively. 8. The seat cushion assembly defined in claim 7, in which the flexible web projections are flat and disposed substantially coplanar. 9. The seat cushion assembly defined in claim 7, including a flexible plastic sheet cover covering the seat cushion and being integral with the flexible web projections. 10. An electrically heated seat cushion comprising a seat cushion having a heating unit therein and two projections projecting from an edge of said cushion spaced apart lengthwise of said cushion edge a distance for reception of a hand therebetween, and a battery housing tube elongated lengthwise of said cushion edge, arranged substantially parallel thereto and connected to said cushion edge for serving as a grip and having a cap for closing one end openable for reception of a battery in said tube, and a rotary switch cover closing the other end of said battery housing tube.