Portable batting traing device that is reversibly attachable to a fence

A portable batting training device comprising:

• a collapsible frame;
• a left hook assembly;
• a right hook assembly;
• a net;
• and a ball assembly, wherein,
• said collapsible frame comprises:
• a first rear member;
• a second rear member;
• a first front member;
• a second front member;
• a left side member;
• a right side member;
• a set of six hinge pins;
• and a set of two locking pins, wherein,
• said first rear member is a rigid cylindrical member with:
• a length, an outer diameter, a left end, a right end, and a longitudinal axis,
• said first rear member has a left hinge pin hole adjacent to said left end,
• said first rear member has a right hinge pin hole adjacent to said right end,
• said first rear member has a locking pin hole in between said left hinge pin hole and said right hinge pin hole,
• said second rear member is a rigid cylindrical member with:
• a length, an outer diameter, a left end, a right end, and a longitudinal axis,
• said second rear member has a right hinge pin hole adjacent to said right end,
• said second rear member has a left hinge pin hole adjacent to said left end,
• said second rear member has a locking pin hole in between said left end and said left hinge pin hole,
• said first front member is a rigid cylindrical member with:
• a length, an outer diameter, a left end, a right end, and a longitudinal axis,
• said first front member has a left hinge pin hole adjacent to said left end,
• said first front member has a right hinge pin hole adjacent to said right end,
• said first front member has a locking pin hole in between said left hinge pin hole and said right hinge pin hole,
• said second front member is a rigid cylindrical member with:
• a length, an outer diameter, a left end, a right end, and a longitudinal axis,
• said second front member has a right hinge pin hole adjacent to said right end,
• said second front member has a left hinge pin hole adjacent to said left end,
• said second front member has a locking pin hole in between said left end and said left hinge pin hole,
• said left side member is a rigid cylindrical member with:
• a length, an outer diameter, a rear end, a front end, and a longitudinal axis,
• said left side member has a rear hinge pin hole adjacent to said rear end,
• said left side member has a front hinge pin hole adjacent to said front end,
• said right side member is a rigid cylindrical member with:
• a length, an outer diameter, a rear end, a front end, and a longitudinal axis,
• said right side member has a rear hinge pin hole adjacent to said rear end,
• said right side member has a front hinge pin hole adjacent to said front end,
• each of said set of six hinge pins is a rigid cylindrical member with:
• a length, an outside diameter, a first end, a second, and a longitudinal axis, and
• each of a said set of two locking pins is a rigid cylindrical member with:
• a length, an outside diameter, a first end, a second, and a longitudinal axis,
• said net is an assembly of threads, cords, straps, or yarns knotted and twisted into a grid-like structure,
• said net is a rectangular shaped section of netting with:
• a width, a length, a thickness, a rear edge, a front edge, a left edge, and a right edge,
• said net further comprises:
• a rear sleeve;
• front sleeve;
• left sleeve;
• and a right sleeve, wherein,
• said rear sleeve is a tubular segment of strong tear-resistant fabric,
• said rear sleeve has:
• a length, an inner diameter, an outer diameter, a rear side, a front side, a center, a left end, and a right end,
• said rear edge of said net is sewn to or otherwise permanently attached to said front side of said rear sleeve,
• said rear sleeve has a center gap that is a void or notch cut out of said center of said rear sleeve,
• said front sleeve is a tubular segment of strong tear-resistant fabric,
• said front sleeve has:
• a length, an inner diameter, an outer diameter, a rear side, a front side, a center, a left end, and a right end,
• said front edge of said net is sewn to or otherwise permanently attached to said rear side of said front sleeve,
• said front sleeve has a center gap that is a void or notch cut out of said center of said front sleeve,
• said left sleeve is a tubular segment of strong tear-resistant fabric,
• said left sleeve has:
• a length, an inner diameter, an outer diameter, a rear side, a front side, a center, a left end, and a right end,
• said left edge of said net is sewn to or otherwise permanently attached to said right end of said left sleeve,
• said left sleeve has a center gap that is a void or notch cut out of said center of said left sleeve,
• said right sleeve is a tubular segment of strong tear-resistant fabric,
• said right sleeve has:
• a length, an inner diameter, an outer diameter, a rear side, a front side, a center, a left end, and a right end,
• said right edge of said net is sewn to or otherwise permanently attached to said left end of said right sleeve, and
• said right sleeve has a center gap that is a void or notch cut out of said center of said right sleeve,
• said left hook assembly comprises:
• a left sleeve mount;
• a left first barrel;
• a left backer plate;
• a left second barrel;
• a left hook plate;
• a left hinge pin;
• and a left hook, wherein,
• said left sleeve mount is a rigid hollow cylindrical member with open ends,
• said left sleeve mount has:
• a rear end, a front end, an inner diameter, an outer diameter, an outer surface, an inner surface, a length, and a longitudinal axis,
• said left sleeve mount has a hinge pin hole,
• said left first barrel is a rigid hollow cylindrical member with open ends,
• said left first barrel has:
• an inner diameter, an outer diameter, an outer surface, an inner surface, a length, and a longitudinal axis,
• said left backer plate is a rigid planar member,
• said left backer plate has:
• a length, a width, a thickness, a rear surface, a front surface, an upper edge, a lower edge, a left edge, a right edge, and a plane,
• said left second barrel is a rigid hollow cylindrical member with open ends,
• said left second barrel has:
• an inner diameter, an outer diameter, an outer surface, an inner surface, a length, and a longitudinal axis,
• said left hook plate is a rigid planar member,
• said left hook plate has:
• a length, a width, a thickness, a rear surface, a front surface, an upper edge, a lower edge, a left edge, a right edge, a plane, latitudinal axis, and a longitudinal axis,
• said left hinge pin is a rigid cylindrical member with:
• a length, an outside diameter, a first end, a second, and a longitudinal axis,
• said left hook is a piece of material that is curved or bent back at an angle,
• said left hook has:
• an upper angled portion, a straight portion, and a lower flared portion,
• said left sleeve mount is rigidly attached to said left backer plate,
• said front surface or said upper edge of said left backer plate is rigidly attached to said outer surface of said left first barrel,
• said front surface or said lower edge of said left hook plate is rigidly attached to said outer surface of said left second barrel, and
• said rear surface or said upper edge of said left hook plate is rigidly attached to or integral with said upper angled portion of said left hook,
• said right hook assembly comprises:
• a right sleeve mount;
• a right first barrel;
• a right backer plate;
• a right second barrel;
• a right hook plate;
• a right hinge pin;
• and a right hook, wherein,
• said right sleeve mount is a rigid hollow cylindrical member with open ends,
• said right sleeve mount has:
• a rear end, a front end, an inner diameter, an outer diameter, an outer surface, an inner surface, a length, and a longitudinal axis,
• said right sleeve mount has a hinge pin hole,
• said right first barrel is a rigid hollow cylindrical member with open ends,
• said right first barrel has:
• an inner diameter, an outer diameter, an outer surface, an inner surface, a length, and a longitudinal axis,
• said right backer plate is a rigid planar member,
• said right backer plate has:
• a length, a width, a thickness, a rear surface, a front surface, an upper edge, a lower edge, a left edge, and a right edge,
• said right second barrel is a rigid hollow cylindrical member with open ends,
• said right second barrel has:
• an inner diameter, an outer diameter, an outer surface, an inner surface, a length, and a longitudinal axis,
• said right hook plate is a rigid planar member,
• said right hook plate has:
• a length, a width, a thickness, a rear surface, a front surface, an upper edge, a lower edge, a left edge, a right edge, and a longitudinal axis,
• said right hinge pin is a rigid cylindrical member with:
• a length, an outside diameter, a first end, a second, and a longitudinal axis,
• said right hook is a piece of material that is curved or bent back at an angle,
• said right hook has:
• an upper angled portion, a straight portion, and a lower flared portion,
• said right sleeve mount is rigidly attached to said right backer plate,
• said front surface or said upper edge of said right backer plate is rigidly attached to said outer surface of said right first barrel,
• said front surface or said lower edge of said right hook plate is rigidly attached to said outer surface of said right second barrel, and
• said rear surface or said upper edge of said right hook plate is rigidly attached to or integral with said upper angled portion of said right hook,
• said first rear member is inserted into said rear sleeve,
• said second rear member is inserted into said rear sleeve,
• said first front member is inserted into said front sleeve,
• said second front member is inserted into said front sleeve,
• said left side member is inserted into said left sleeve,
• said right side member is inserted into said right sleeve,
• said first rear member is pivotally attached to said second rear member wherein said right hinge pin hole on said first rear member is aligned with said left hinge pin hole on said second rear member and then one of said set of six hinge pins is installed therein,
• said first front member is pivotally attached to said second front member wherein said right hinge pin hole on said first front member is aligned with said left hinge pin hole on said second front member and then one of said set of six hinge pins is installed therein,
• said first rear member is pivotally attached to said left side member wherein said rear end of said left side member is first inserted into said left sleeve mount, said left hinge pin hole on said first rear member is aligned with said rear hinge pin hole on said left side member and then one of said set of six hinge pins is installed through said hinge pin hole of said left side member, said hinge pin hole of said left sleeve mount, and said hinge pin hole of said first rear member,
• said second rear member is pivotally attached to said right side member wherein said rear end of said right side member is first inserted into right sleeve mount, said right hinge pin hole on said second rear member is aligned with said rear hinge pin hole on said right side member and then one of said set of six hinge pins is installed through said hinge pin hole of right side member, said hinge pin hole of right sleeve mount, and said hinge pin hole of said second rear member,
• said first front member is pivotally attached to said left side member wherein said left hinge pin hole on said first front member is aligned with said front hinge pin hole on said left side member and then one of said set of six hinge pins is installed therein,
• said second front member is pivotally attached to said right side member wherein said right hinge pin hole on said second front member is aligned with said front hinge pin hole on said right side member and then one of said set of six hinge pins is installed therein,
• one of said set of two locking pins is reversibly attachable within said locking pin hole in said first rear member and said locking pin hole in said second rear member, and
• one of said set of two locking pins is reversibly attachable within said locking pin hole in said first front member and said locking pin hole in said second front member.