interchangeably coupleable with the drive mechanism application_number US 63478609 A description reference will now be made in detail to the preferred embodiments of the invention examples of which are illustrated in the accompanying drawings while the invention will be described in conjunction with the preferred embodiments it will be understood that they are not intended to limit the invention to these embodiments on the contrary the invention is intended to cover alternatives modifications and equivalents which may be included within the spirit and scope of the invention as defined by the claims furthermore in the detailed description of the present invention numerous specific details are set forth in order to provide a thorough understanding of the present invention however it will be obvious to one of ordinary skill in the art that the present invention may be practiced without these specific details in other instances well known methods procedures and components have not been described in detail as not to unnecessarily obscure aspects of the present invention generally speaking embodiments provide for an interchangeable multi purpose sanding system that allows a single or variable speed handheld sanding apparatus to interchangeably serve as multiple sanding tools the multiple sanding tools may include but are not limited to a belt sander a drum sander and a power rasp fig1 illustrates a sanding apparatus 10 in accordance with an embodiment that has been configured as a belt sander generally the sanding apparatus includes a motor housing 24 having a motor disposed therein.