Disk support device

Claim 2

A disk support device for supporting a disk having a central hole and a support hole, comprising: (a) a rotatable drive shaft; (b) a turntable fixedly mounted on said rotatable drive shaft for supporting the disk on one surface thereof with a portion of said rotatable drive shaft inserted in the central hole in the disk, said turntable having a hole therethrough adapted to be located in registration with the support hole of the disk supported thereon; (c) a leaf spring having one end fixed to an opposite surface of said turntable and supporting a positioning pin remotely from said one end thereof, said positioning pin projecting upwardly under the resiliency of said leaf spring through said hole in said turntable for engagement in said support hole in the disk, and (d) means for preventing deformation of said leaf spring beyond a predetermined amount when said positioning pin is subjected to an engagement force by engagement in said support hole in the disk, said means including said turntable having an engaging portion, and said leaf spring having a locking finger held in engagement with said engaging portion of said turntable.

Claim 3

A disk support device for supporting a disk having a central hole and a support hole, comprising: (a) a rotatable drive shaft; (b) a turntable fixedly mounted on said rotatable drive shaft for supporting the disk on one surface thereof with a portion of said rotatable drive shaft inserted in the central hole in the disk, said turntable having a hole therethrough adapted to be located in registration with the support hole of the disk supported thereon; (c) a leaf spring having one end fixed to an opposite surface of said turntable and supporting a positioning pin remotely from said one end thereof, said positioning pin projecting upwardly under the resiliency of said leaf spring through said hole in said turntable for engagement in said second support hole in the disk, and (d) means for preventing deformation of said leaf spring beyond a predetermined amount when said positioning pin is subjected to an engagement force by engagement in said support hole in the disk, wherein said turntable has a recess defined in an outer peripheral surface thereof, and said leaf spring has a locking finger which is bent from an end of said leaf spring opposite to said one end and engaging in said recess.

Claim 4

A disk support device for supporting a disk having a central hole and a support hole, comprising: (a) a rotatable drive shaft; (b) a turntable fixedly mounted on said rotatable drive shaft for supporting the disk on one surface thereof with a portion of said rotatable drive shaft inserted in the central hole in the disk, said turntable having a hole therethrough adapted to be located in registration with the support hole of the disk supported thereon; (c) a leaf spring having one end fixed to an opposite surface of said turntable and supporting a positioning pin remotely from said one end thereof, said positioning pin projecting upwardly under the resiliency of said leaf spring through said hole in said turntable for engagement in said second support hole in the disk, and (d) means for preventing deformation of said leaf spring beyond a predetermined amount when said positioning pin is subjected to an engagement force by engagement in said support hole in the disk, wherein said turntable has a recess defined in an outer peripheral surface thereof, and said leaf spring has a locking finger which is bent from an end of said leaf spring opposite to said one end and engaging in said recess.