Disclosed is a chain disk corner. In certain embodiments, the chain disk corner includes a bi-directional orientation independent chain disk corner wheel. In particular, the wheel is molded and devoid of moving parts. In certain embodiments, the chain disk corner includes a window portion. In particular, a bottom housing subassembly includes a bottom body of an opaque material and a hingedly attached window portion. In certain embodiments, the chain disk corner includes a reinforcing washer. In particular, a top washer is attached by injection molding to an interior of the top body, and/or a bottom washer is attached by injection molding to an interior of the bottom body. In certain embodiments, the chain disk corner includes a top surface devoid of pockets. In particular, a top body includes a plurality of ribs positioned at an interior surface of the top body.

An integrated vertical inkjet printer for printing on a vertical substrate, comprising: a controller; a main trolley carrying a main trolley body; and a printing assembly, comprising: a plurality of inkjet printing head assemblies mounted on a platform; a vertical telescopic tandem beam system comprising: a first printing beam, wherein said platform is slidable along said first printing beam; and a second printing beam detachably insertable between said first printing beam and said main trolley body, a first motor configured to drive said platform vertically; and a second motor configured to drive said first printing beam along said second printing beam.

Disclosed is a chain disk corner. In certain embodiments, the chain disk corner includes a bi-directional orientation independent chain disk corner wheel. In particular, the wheel is molded and devoid of moving parts. In certain embodiments, the chain disk corner includes a window portion. In particular, a bottom housing subassembly includes a bottom body of an opaque material and a hingedly attached window portion. In certain embodiments, the chain disk corner includes a reinforcing washer. In particular, a top washer is attached by injection molding to an interior of the top body, and/or a bottom washer is attached by injection molding to an interior of the bottom body. In certain embodiments, the chain disk corner includes a top surface devoid of pockets. In particular, a top body includes a plurality of ribs positioned at an interior surface of the top body.

Disclosed is a chain disk corner. In certain embodiments, the chain disk corner includes a bi-directional orientation independent chain disk corner wheel. In particular, the wheel is molded and devoid of moving parts. In certain embodiments, the chain disk corner includes a window portion. In particular, a bottom housing subassembly includes a bottom body of an opaque material and a hingedly attached window portion. In certain embodiments, the chain disk corner includes a reinforcing washer. In particular, a top washer is attached by injection molding to an interior of the top body, and/or a bottom washer is attached by injection molding to an interior of the bottom body. In certain embodiments, the chain disk corner includes a top surface devoid of pockets. In particular, a top body includes a plurality of ribs positioned at an interior surface of the top body.

Disclosed is a chain disk corner. In certain embodiments, the chain disk corner includes a bi-directional orientation independent chain disk corner wheel. In particular, the wheel is molded and devoid of moving parts. In certain embodiments, the chain disk corner includes a window portion. In particular, a bottom housing subassembly includes a bottom body of an opaque material and a hingedly attached window portion. In certain embodiments, the chain disk corner includes a reinforcing washer. In particular, a top washer is attached by injection molding to an interior of the top body, and/or a bottom washer is attached by injection molding to an interior of the bottom body. In certain embodiments, the chain disk corner includes a top surface devoid of pockets. In particular, a top body includes a plurality of ribs positioned at an interior surface of the top body.

Disclosed is a chain disk corner. In certain embodiments, the chain disk corner includes a bi-directional orientation independent chain disk corner wheel. In particular, the wheel is molded and devoid of moving parts. In certain embodiments, the chain disk corner includes a window portion. In particular, a bottom housing subassembly includes a bottom body of an opaque material and a hingedly attached window portion. In certain embodiments, the chain disk corner includes a reinforcing washer. In particular, a top washer is attached by injection molding to an interior of the top body, and/or a bottom washer is attached by injection molding to an interior of the bottom body. In certain embodiments, the chain disk corner includes a top surface devoid of pockets. In particular, a top body includes a plurality of ribs positioned at an interior surface of the top body.

A friction-type drive apparatus and a carousel comprising the same are disclosed. A friction-type drive apparatus, according to one embodiment, comprises: a motor; a drive pulley rotated by the motor; a belt connected to the drive pulley; a driven pulley rotating in accordance with the drive of the belt; a pressing unit contacting the inner surface of the belt; and an elastic unit for pressing the pressing unit toward the belt.

A friction-type drive apparatus and a carousel comprising the same are disclosed. A friction-type drive apparatus, according to one embodiment, comprises: a motor; a drive pulley rotated by the motor; a belt connected to the drive pulley; a driven pulley rotating in accordance with the drive of the belt; a pressing unit contacting the inner surface of the belt; and an elastic unit for pressing the pressing unit toward the belt.

A linear motor conveyor system with alternate drive. The system includes: at least one linear motor track section; at least one alternate drive track section having the same configuration as the linear motor track section but incorporating an alternate drive mechanism; a plurality of moving elements configured to move along the linear motor track section and alternate drive track section; and a control system for controlling the moving elements to move on the linear motor track section and the alternative drive track section. The alternate drive track section may include: a belt drive including a belt, a belt drive motor and a friction element on the moving element to engage with the belt such that movement of the belt causes the moving element to move along the track section due to friction. The alternate drive track section may alternatively include a simplified linear motor track section.

A linear motor conveyor system with alternate drive. The system includes: at least one linear motor track section; at least one alternate drive track section having the same configuration as the linear motor track section but incorporating an alternate drive mechanism; a plurality of moving elements configured to move along the linear motor track section and alternate drive track section; and a control system for controlling the moving elements to move on the linear motor track section and the alternative drive track section. The alternate drive track section may include: a belt drive including a belt, a belt drive motor and a friction element on the moving element to engage with the belt such that movement of the belt causes the moving element to move along the track section due to friction. The alternate drive track section may alternatively include a simplified linear motor track section.