Patents by Inventor Robert L. Cahlander

Robert L. Cahlander has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5491956
    Abstract: A dispenser apparatus comprised of a stretchable adhesive tape which is detackified when stretched longitudinally. The tape is advanced through a stretching station to an array of articles to be unitized. Tension rollers are utilized on either side of the stretching station to ensure that the tape advances evenly and does not recoil. The dispenser apparatus also includes a first prime mover which advances the tape through the tension rollers and stretching station at a rate which ensures proper stretching (at predetermined intervals) and proper feeding of the tape to the array of boxed items. A controller simultaneously controls the z-axis motion (of the dispenser and rotation of the articles to be unitized. Therefore, both the number of wraps about the articles and the location of the wraps between the base of the articles and the top of the articles may be controlled.
    Type: Grant
    Filed: December 13, 1993
    Date of Patent: February 20, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Craig S. Donnelly, Daniel G. Michalski, David W. Carroll, Robert L. Cahlander, Thomas E. Jung, James D. Ramacier
  • Patent number: 5353847
    Abstract: A portioning dispenser for bulk food items is disclosed which receives bulk food items in a storage bin, portions food items from the storage bin, and dispenses measured portions of food items for further processing. The dispenser can include a rotary drum for conveying food items from the storage bin and a load cell for weighing the quantity of items conveyed from the storage bin into a secondary bin. The dispenser can also include a conveyor system for sequentially accepting, filling and returning a plurality of portion containers. The dispenser can include one or more inclined ramps for allowing containers to be slidably conveyed within the dispenser to and away from a basket filling station. In another embodiment of the invention, a method is disclosed for dispensing measured portions of bulk food items which includes several of the above-discussed operations. A container especially suited for use in the dispenser is also disclosed.
    Type: Grant
    Filed: January 31, 1994
    Date of Patent: October 11, 1994
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Alfred C. Hollingsworth, Gregory A. Lawrence, Brian R. Rudesill
  • Patent number: 5282498
    Abstract: A portioning dispenser for bulk food items is disclosed which receives bulk food items in a storage bin, portions food items from the storage bin, and dispenses measured portions of food items for further processing. The dispenser can include a rotary drum for conveying food items from the storage bin and a load cell for weighing the quantity of items conveyed from the storage bin into a secondary bin. The dispenser can also include a conveyor system for sequentially accepting, filling and returning a plurality of portion containers. The dispenser can include one or more inclined ramps for allowing containers to be slidably conveyed within the dispenser to and away from a basket filling station. In another embodiment of the invention, a method is disclosed for dispensing measured portions of bulk food items which includes several of the above-discussed operations. A container especially suited for use in the dispenser is also disclosed.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: February 1, 1994
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Alfred C. Hollingsworth, Gregory A. Lawrence, Brian R. Rudesill
  • Patent number: 5249914
    Abstract: A food transferring fixture is disclosed which can be used to transfer food items from one food preparation area to another. The fixture includes a hoop for surrounding items to be transferred and a spatula for scooping, supporting or depositing the items to be transferred. The hoop and spatula are mounted to a horizontally extendable frame for moving the spatula relative to the hoop. In other embodiments, one or more hoops and spatulas having a plurality of apertures arranged in a horizontal planar array are used to deposit food items in the array pattern and retrieve the items in the same pattern. After processing in some embodiments, a removably attached second subassembly may be used to transfer uncooked food to a cooking station. The uncooked food subassembly is then removed, and a first cooked food subassembly then retrieves the cooked food items. Additionally, a method for transporting food items which incorporates many of the above-listed features is also provided.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: October 5, 1993
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Gregory A. Lawrence, John O. Reinertsen
  • Patent number: 5206814
    Abstract: The invention concerns an automated vending system which uses a commercially available, multi-axis robot arm to retrieve an article from a storage location and deliver the article to a customer. The invention includes a control system which interacts with at least three entities: (a) the customers; (b) credit card agencies, as by verifying the customer's credit situation and by performing daily credit reconciliations; and (c) the control system of the robot arm, as by informing the robot which articles to retrieve. The invention includes a display which provides to the customer a catalog of articles, and allows the customer to choose an article for purchase from the catalog. The invention allows remote control of the vending system, by telephone, whereby the system can be shut down in case of malfunction. If the vending system is used to sell music recordings, the invention allows the customer to hear samples of selected recordings available for sale.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: April 27, 1993
    Assignee: Robot Aided Manufacturing Center, Inc.
    Inventors: Robert L. Cahlander, Thomas E. Jung, David W. Carroll, Robert A. Hanson
  • Patent number: 5191918
    Abstract: A portioning dispenser for bulk food items is disclosed which receives bulk food items in a storage bin, portions food items from the storage bin, and dispenses measured portions of food items for further processing. The dispenser can include a rotary drum for conveying food items from the storage bin and a load cell for weighing the quantity of items conveyed from the storage bin into a secondary bin. The dispenser can also include a conveyor system for sequentially accepting, filling and returning a plurality of portion containers. In another embodiment of the invention, a method is disclosed for dispensing measured portions of bulk food items which includes several of the above-discussed operations.
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: March 9, 1993
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Alfred C. Hollingsworth, Gregory A. Lawrence, Brian R. Rudesill
  • Patent number: 5172328
    Abstract: A fully automated robotized system and method is provided for cooking food products. The system and method is especially useful for use in a quick service or fast food restaurant and, in one embodiment, is capable of cooking, on a fully automated basis, french fries, chicken nuggets, fish filets and chicken patties. In one embodiment, the system includes a robot, a bulk uncooked food dispensing station, a cooking station and a cooked food storage station. The system can be controlled by a computer operating and control station that controls and directs the robot to obtain bulk food from the dispensing station, place it in cooking position at the cooking station and when cooked, remove the food and deliver it to the storage station, at a rate required to fill anticipated customer orders. In one embodiment, the cooking station is a clamshell grill and the robot deposits on and retrieves from the grill hamburger patties in a predetermined horizontal array with a novel end of arm tool.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: December 15, 1992
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Robert A. Hanson, Alfred C. Hollingsworth, Richard O. Koehler, John O. Reinertsen
  • Patent number: 5132914
    Abstract: A fully automated robotized system and method is provided for cooking food products. The system and method is especially useful for use in a quick service or fast food restaurant and, in one embodiment, is capable of cooking, on a fully automated basis, french fries, chicken nuggets, fish filets and chicken patties. In one embodiment, the system includes a robot, a bulk uncooked food dispensing station, a cooking station and a cooked food storage station. The system can be controlled by a computer operating and control station that controls and directs the robot to obtain bulk food from the dispensing station, place it in cooking position at the cooking station and when cooked, remove the food and deliver it to the storage station, at a rate required to fill anticipated customer orders.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: July 21, 1992
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Robert A. Hanson, Al Hollingsworth, John O. Reinertsen
  • Patent number: 5104002
    Abstract: A portioning dispenser for dispensing food items from bulk item containers is disclosed in which the dispenser can open and empty a bulk container and dispense a portion of its contents. In one embodiment, a container can be slit open and tipped on a pivotable platform to spill its contents to a feeder for further distribution while retaining a stack of unopened boxes thereabove. In some embodiments, the dispenser can discard an emptied container and replace it with an unopened container moved from a container hopper. In other embodiments, a vibrating feeder is used to shake emptied items into a transfer tray for weighing and dispensing. Additionally, a method for dispensing portions of bulk food items from bulk containers is disclosed which employs several of the steps mentioned above.
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: April 14, 1992
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Gregory A. Lawrence, Brian R. Rudesill
  • Patent number: 4979864
    Abstract: A basket of cooked food products is mounted on a support structure. The support structure is rigidly mounted to a rotatable shaft. The shaft is rotated through a predetermined angle so that the basket is tilted. The contents of the basket is then dumped out of the basket. The basket may be held by a first and second clamps which hold the basket at opposite ends.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: December 25, 1990
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, John O. Reinertsen
  • Patent number: 4922435
    Abstract: A fully automated robotized system and method is provided for cooking food products. The system and method is especially useful for use in a quick service or fast food restaurant and, in one embodiment, is capable of cooking, on a fully automated basis, french fries, chicken nuggets, fish filets and chicken patties. In one embodiment, the system includes a robot, a bulk uncooked food dispensing station, a cooking station and a cooked food storage station. The system can be controlled by a computer operating and control station that controls and directs the robot to obtain bulk food from the dispensing station, place it in cooking position at the cooking station and when cooked, remove the food and deliver it to the storage station, at a rate required to fill anticipated customer orders.
    Type: Grant
    Filed: April 1, 1988
    Date of Patent: May 1, 1990
    Assignee: Restaurant Technology, Inc.
    Inventors: Robert L. Cahlander, David W. Carroll, Robert A. Hanson, Al Hollingsworth, John O. Reinertsen
  • Patent number: D337021
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: July 6, 1993
    Assignee: Restaurant Technology, Inc.
    Inventors: Joseph C. Boetto, Robert L. Cahlander, David W. Carroll, Gregory A. Lawrence, Alfred C. Hollingsworth