Patents Examined by Thomas Fitzgerald
  • Patent number: 4458832
    Abstract: Discharge valving for a liquid dispensing pump having a reciprocable plunger is in the form of a laterally extending bunsen valve having an annular spring washer which resiliently bears against an annular valve seat adjacent the discharge opening. The loading of the valve is controlled by valve positioning lugs between the top of the plunger and an overlying plunger head. The plunger may be immobilized in a fully raised position above the pump body or in a fully depressed position relative to the pump body by locking fingers positively deflected into and out of the path of reciprocation of a stop shoulder on the plunger head.
    Type: Grant
    Filed: April 26, 1983
    Date of Patent: July 10, 1984
    Inventor: Douglas F. Corsette
  • Patent number: 4457455
    Abstract: An improved collapsible container includes an outer rigid portion with a flange and a downwardly extending flexible bag portion so as to permit ease of filling, sealing and transport. Dispensing is done, preferably with a pump which, on first actuation, breaks the seal on the container. The pump, and a rigid outer container with which the collapsible container is used, are adapted for reuse with only the collapsible container and its contents replaced.
    Type: Grant
    Filed: October 13, 1981
    Date of Patent: July 3, 1984
    Inventor: Philip Meshberg
  • Patent number: 4457401
    Abstract: An above-the-floor freestanding drive-through vehicular hydraulic lift in which a pair of laterally-spaced cylindrical columns enclose hydraulic elevating mechanisms and each column supports a vertically displaceable lifting assembly for engaging a vehicle in synchronization with an adjacent vertically displaceable lifting assembly on an adjacent column for supporting and elevating a vehicle to selected working locations. A lifting a lowering assembly is provided with an automatic locking and safety mechanism for sensing obstructions to which the supporting and elevating mechanism may be subjected in elevated and lower a vehicle supported on the hydraulic lift.
    Type: Grant
    Filed: April 9, 1982
    Date of Patent: July 3, 1984
    Assignee: Gilbert & Barker Manufacturing Co., Inc.
    Inventors: James J. Taylor, John DiCinque
  • Patent number: 4438873
    Abstract: An octogonally configured cam has four flats located radially outward a greater distance than the four intervening flats. The various flats are successively engageable with a pivotal arm to engage and disengage a clutch mechanism and thus start and stop an endless belt conveyor along with the starting and stopping of a cylindrical brush. Both the conveyor and brush are ground-driven through a chain and cog wheels, the size of the cog wheels being such that the brush is rotated at faster speed than the conveyor. The position of an indicating rod signifies when the clutch mechanism is engaged or disengaged.
    Type: Grant
    Filed: October 28, 1981
    Date of Patent: March 27, 1984
    Assignee: Turfco Manufacturing, Inc.
    Inventor: William C. Kaercher, Jr.
  • Patent number: 4436183
    Abstract: A lift apparatus for use in material handling characterized by a self-propelled and steerable chassis which mounts a pair of laterally spaced multi-stage mast assemblies for raising and lowering a lift carriage, and a stabilization torsion bar system actuatable by the mast assemblies for maintaining the lift carriage in a horizontal plane during such operation.
    Type: Grant
    Filed: September 18, 1981
    Date of Patent: March 13, 1984
    Inventor: Victor R. Laurich-Trost
  • Patent number: 4428510
    Abstract: An activating device for a pressurized can for dispensing a controlled amount of the contents thereof in response to the opening or closing of a door. The device can easily accomodate installations wherein the door and door frame are not flush.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: January 31, 1984
    Inventor: Ney M. Iglesias
  • Patent number: 4426024
    Abstract: The fluid dispensing device (10) is utilized in a fluid dispensing system (12) which includes a syringe (22) having a cylindrical barrel (36) with an inlet/outlet opening (20) at a forward end thereof and which is open at the rearward end thereof. A plunger (38) is received in the barrel (36). A source (14) of medicinal additive is coupled by a two-way check valve (18) to the inlet/outlet opening (20). A needle (24) is mounted to the outlet (26) of the valve (18).The fluid dispensing device (10) is manipulatable to operate the syringe (22), first to draw a precise amount of medicinal additive into the syringe (22) through the valve (18) and second to dispense the precise amount of medicinal additive from the syringe (22) through the needle (24) into, for example, a receptacle (34) having a base liquid therein.
    Type: Grant
    Filed: December 11, 1981
    Date of Patent: January 17, 1984
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Lawrence R. Hogan, Lenart Anderson
  • Patent number: 4421253
    Abstract: A disposable container assembly which is especially useful for containing, shipping and dispensing liquids or semi-liquids in bulk. It comprises a knocked-down fiberboard container body and end structure which can be set up on a pallet into a substantially rigid multi-sided polygonal drum-like container for receiving a flexible plastic bag that is to be filled with the substance to be dispensed. The bag is provided with a dispensing spout that is locked in dispensing position in one side of the fiberboard container to hold the bag in position in the container during filling, with its outer end exposed and which has a diaphragm type seal at its inner end. For dispensing, normally this seal is ruptured by a special cooperating probe which is inserted through the exposed outer end of the spout to withdraw the contents of the bag but in other cases the bottom of the bag can be ruptured directly through an opening in the pallet.
    Type: Grant
    Filed: February 17, 1982
    Date of Patent: December 20, 1983
    Assignee: Willamette Industries, Inc.
    Inventor: Thomas E. Croley
  • Patent number: 4418794
    Abstract: In a hydraulic elevator, in which fluid is pumped to and from a tank into a piston to raise and lower the car, the flow of fluid is controlled by an apparatus which includes an electric motor that opens and closes a single valve to control the motion profile of the elevator car.
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: December 6, 1983
    Assignee: Otis Elevator Company
    Inventor: Giuseppe Manco
  • Patent number: 4410107
    Abstract: Discharge valving for a liquid dispensing pump having a reciprocable plunger is in the form of a laterally extending bunsen valve having an annular spring washer which resiliently bears against an annular valve seat adjacent the discharge opening. The loading of the valve is controlled by valve positioning lugs between the top of the plunger and an overlying plunger head. The plunger may be immobilized in a fully raised position above the pump body or in a fully depressed position relative to the pump body by locking fingers positively deflected into and out of the path of reciprocation of a stop shoulder on the plunger head.
    Type: Grant
    Filed: December 18, 1981
    Date of Patent: October 18, 1983
    Inventor: Douglas F. Corsette