US Pat. No. 10,000,344

PRODUCT FLOW REGULATOR

Rotzinger AG, Kaiseraugs...

1. A product flow regulator, comprising:a closed loop circumferential guide track along which carrier gondolas are guided between a product inlet area and a product outlet area,
each of the carrier gondolas is equipped with at least one independent guide and at least one independent drive, and the at least one independent drive includes a motor, wherein
the closed loop circumferential guide track and the carrier gondolas take over products from an inlet belt of a production line at the product inlet area by product carrier trays arranged on the carrier gondolas loading the products, the carrier gondolas moving with the products on the product carrier trays to the product outlet area to thereby provide an intermediate storage of the products, the product carrier trays unloading the products to an outlet belt of the production line, and emptied carrier gondolas moving back to the product inlet area.

US Pat. No. 10,144,595

BUFFER DEVICE

Rotzinger AG, Kaiseraugs...

1. A buffer device for temporary storage and flow control in a product conveyor system, comprising:a plurality of vertically movable product holders at an inlet end of the buffer device and an outlet end of the buffer device, and
an elevator system to place the plurality of vertically movable product holders in a conveying plane of the product conveyor system and vertically moving the plurality of vertically movable product holders, wherein
the elevator system comprises a chain loop at the inlet end of the buffer device and a chain loop at the outlet end of the buffer device, equipped all around with the plurality of vertically movable product holders, and wherein the two chain loops are movable in opposite directions, and
the plurality of vertically movable product holders are constructed as conveyors.

US Pat. No. 10,233,034

PRODUCT DISTRIBUTION UNIT

ROTZINGER AG, Kaiseraugs...

1. A product distribution unit for removing rows of products from a production flow conveyed on a main conveyor and feeding them to a packaging machine, comprising:a waiting belt unit arranged beneath the main conveyor, the waiting belt unit comprising:
a waiting belt having a main direction of conveyance which is equal to the direction of conveyance of the main conveyor, the waiting belt taking over rows of products from the main conveyor and conveying the rows of products in the main direction to a discharge belt, and
a servo-controlled device horizontally displacing the waiting belt unit as a whole in or against the main direction of conveyance.

US Pat. No. 10,301,117

CONVEYER BELT

ROTZINGER AG, Kaiseraugs...

1. A conveyor belt having for conveying products on a section of an endless web comprising;a deflector roll on each of a product receiving side and a product delivery side; and
a drive drum, which is arranged below the deflector rolls and drives the web,
wherein the deflector rolls and the drive drum are arranged within a triangular web silhouette perpendicular to a web running direction and are mounted in bearings on both sides of the belt, and
wherein the bearings of the drive drum can be moved vertically and drive means are connected to the bearings in order to move them vertically.

US Pat. No. 10,435,251

CLEANING METHOD AND DEVICE FOR BELT BUFFERS

Rotzinger AG, Kaiseraugs...

5. A belt buffer comprising:a plurality of individual endless belts arranged on a plurality of levels one above the other; and
a cleaning device with a cleaning head to apply and vacuum off a cleaning medium onto one of the plurality of belts,
the cleaning device comprising an elevator device to adjust a height of the cleaning head to a level, among the plurality of levels, of a web of the one of the plurality of belts to be cleaned, and a side moving device to move the cleaning head over the web to be cleaned.

US Pat. No. 10,427,887

BELT BUFFER

ROTZINGER AG, Kaiseraugs...

1. A belt buffer for intermediate storage of conveyed products comprising:a plurality of buffer belts arranged in levels one above the other,
each buffer belt having a product entry side and a product exit side and consisting of a plurality of serially arranged belt modules comprising
a single tiltable entry belt module having a height-adjustable receiving edge at the product entry side and a delivery edge being level with subsequent belt modules,
a single tiltable exit belt module having a receiving edge being level with preceding belt modules and a height-adjustable delivery edge at the product exit side, and
wherein the plurality of serially arranged belt modules are horizontally arranged between the single tiltable entry belt module and the single tiltable exit belt module.

US Pat. No. 10,457,496

UNLOADING DEVICE

ROTZINGER AG, Kaiseraugs...

1. An unloading device for unloading products located on product carrier trays, which in turn are disposed in product carrier shuttles of a chain store, onto outfeed conveyor belts, comprising:a main conveyor belt having a transfer edge and an outlet side, the transfer edge being adjacent to the product carrier shuttles and the outlet side being opposite to the transfer edge, and the main conveyor belt is hinged at the outlet side to enable vertical pivoting of the transfer edge; and
at least one additional belt located above the main conveyor belt and being mechanically connected in a stationary manner to the main conveyor belt for common vertical pivoting together with the main conveyor belt,
wherein the at least one additional belt is shorter than the main conveyor belt.