Cart Patents (Class 280/651)
  • Patent number: 4765644
    Abstract: A folding cart designed to function as a supporting walker or a stackable grocery cart. The frame consists of two pivoted parts, the shorter pivoted at its upper end to points near the center of the longer, and the longer extending thereabove to form a handle. A foldable strut joins the pivoted parts below their junction. A fabric receptacle is foldably supported from the frame generally above the junction of the two pivoted parts. Suitable wheels or pivoted castors are mounted adjacent the lower ends of the two pivoted parts.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: August 23, 1988
    Inventor: Laurence G. Bell
  • Patent number: 4728118
    Abstract: A collapsible carrier for a heavy machine, has(a) an upper platform adapted to support the machine,(b) first leg structure pivotally attached to the platform and extending downwardly and forwardly relative to the platform,(c) second leg structure having upper extent located to support the platform and extending downwardly and rearwardly relative to the platform,(d) the first and second leg structures pivotally interconnected below the level of the platform,(e) there being a slide surface associated with the platform and presented to transmit loading to the second leg structure upper extent as that upper extent travels therealong between first and second positions corresponding to raised and lowered positions of the platform and there being stops associated with the platform to limit such travel at the first and second positions,(f) releasable mechanism to lock the second leg structure upper extent to the platform at the first and second positions,(g) and a counterbalance operatively connected with said first
    Type: Grant
    Filed: April 21, 1986
    Date of Patent: March 1, 1988
    Assignee: Roco Tool Group, Inc.
    Inventor: John L. Haas
  • Patent number: 4611823
    Abstract: A collapsible carrier for a heavy machine, comprising(a) an upper platform adapted to support the machine,(b) first leg structure pivotally attached to the platform and extending downwardly and forwardly relative to the platform,(c) second leg structure having upper extent located to support the platform and extending downwardly and rearwardly relative to the platform,(d) the first and second leg structures pivotally interconnected below the level of said platform,(e) there being a slide surface associated with the platform and presented to transmit loading to the second leg structure upper extent as said upper extent travels therealong between first and second positions corresponding to raised and lowered positions of the platform, and there being stops associated with the platform to limit such travel at the first and second positions,(f) releasable mechanism to lock the second leg structure upper extent to the platform at the first and second positions,(g) and a counterbalance operatively connected with sa
    Type: Grant
    Filed: February 11, 1985
    Date of Patent: September 16, 1986
    Assignee: Roco Tool Group, Inc.
    Inventor: John L. Haas
  • Patent number: 4549748
    Abstract: A transportable and collapsable bag holding cart for use in collecting and conveying materials such as bedding, laundry or trash in a hotel, hospital or the like is presented. The cart is provided with a slidable cover assembly for easy opening and closing. Also, Velcro- type self-adhesive strips and bag retension safety bars are provided to prevent plastic and cloth bags from slipping under a load. Finally, the cart is foldable for easy storage and is self contained when folded or in use. Various attachments including a multi-cart connecting device and additional basket assemblies are also presented herein.
    Type: Grant
    Filed: April 6, 1984
    Date of Patent: October 29, 1985
    Inventor: Thomas S. Haley, Sr.
  • Patent number: 4523768
    Abstract: A collapsible cart-stand, convertible to a bandstand comprises a pair of upright parallel spaced frames mounting casters, with spaced pairs of foldable support links at their free ends pivotally connected to lower ends of the side frames. A platform spans a support rod on each side frame and is removably secured thereto. A pair of spaced anchor links at their one ends are pivotally connected to upper end portions of one side frame and at their other ends adjustably connected to upper end portions of the other side frame. The frames, on removal of the platform and adjusting the other ends of the anchor links, are adapted for collapsing into parallel engaging registry. The platform being alternately mountable upon top rods of the side frames and secured thereto. With a change in the connections of the anchor links to the other side frame the platform is inclined forwardly and downwardly.
    Type: Grant
    Filed: November 14, 1983
    Date of Patent: June 18, 1985
    Inventor: Joseph C. Dlubala
  • Patent number: 4505495
    Abstract: This disclosure relates to a portable, foldable and convertible luggage trolley which includes first and second base supports joined by a pivot so as to be folded between a nested position and a position in side-by-side coplanar relationship, the first and second base supports carrying first and second sets of wheels, another pivot joining a handle to the first base support and still another pivot for pivotally connecting a luggage restraining member to the second base support, a plurality of locks for holding the handle in a position normal to the first base support, the handle being formed by handle members foldable between side-by-side and nested positions, the luggage restraining member further functioning as a carriage for the second set of wheels so that the same can be moved between operative ground engaging and inoperative nonground engaging positions when the first and second base supports are in their respective side-by-side and nested positions, and means for joining one of the handle members to an
    Type: Grant
    Filed: December 14, 1982
    Date of Patent: March 19, 1985
    Assignee: Janet Mary Penrose Foss
    Inventors: Janet M. P. Foss, John Foss, Christopher G. Brooks, Myron H. Ridgely
  • Patent number: 4493492
    Abstract: The present invention relates to a foldable multifunctional carriage, particularly for use in performing cleaning and maintenance tasks in hospitals, of the type comprising rollers on which are mounted a rigid portion and a foldable framework which can be placed either in an operative unfolded position or in an inoperative folded position.The carriage is characterized in that said rigid portion consists of a chassis (2) horizontally resting on said rollers (3), and in that said framework (1) has a pair of arms (4, 5) pivotally mounted on a front portion of said chassis (2), a U-shaped frame (7) being pivotally mounted between said pair of arms so as to form a strut adapted to abut against a stop (12) integrally formed with said chassis (2) to secure said framework (1) in its unfolded position, said pair of arms (4, 5) carrying, therebetween, if desired, one or more support members (8, 36, 37) for articles or utensils to be carried on the carriage.
    Type: Grant
    Filed: March 23, 1982
    Date of Patent: January 15, 1985
    Inventor: Tzvetanka Balabanova
  • Patent number: 4492388
    Abstract: A shopping cart having a movable frame upon which at least one basket for purchases is mounted via a rod or support structure. The basket is removably fastened to the rod or support structure, which is collapsible on the frame.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: January 8, 1985
    Inventor: Hendrik C. de Wit
  • Patent number: 4478428
    Abstract: The cart comprises a frame including first and second uprights which are pivoted at their top ends for mutual rotation about a substantially perpendicular axis to their longitudinal direction and support a lower deck, which is pivotally connected, at a middle portion thereof, close to the bottom end of the second upright and slidably engages, at one end thereof, with the first upright, as well as an upper deck pivotally connected at one end to the first upright, and at a middle portion thereof, to one end of a rod-like body which is pivotally connected, with its other end, to a middle portion of the second upright.
    Type: Grant
    Filed: December 22, 1981
    Date of Patent: October 23, 1984
    Assignee: Norda Tubazioni S.P.A.
    Inventor: Franco Ziliani
  • Patent number: 4407521
    Abstract: A foldable hand cart formed with a platform in front and frames extended to form a high back. The cart is collapsible to form a compact assembly bound together by an elastic cord. The platform is automatically locked when unfolded, as are the frames when raised in consecutive order. Simple controls serve to unlock the frames and platform for movements collapsing the cart. Interfitting safeguards reinforce the frames against separating, pivoting and twisting strains.
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: October 4, 1983
    Inventor: Wolf Zeitlin
  • Patent number: 4289324
    Abstract: A golf bag carrying golf cart is disclosed which is easily stored in a collapsed compact position. A tricycle steering wheel is mounted on an arm which fits telescopically on an upwardly arching segment of a main column. The arching segment is secured by a pin to the main column in either a down position wherein the wheel is extended to a steering position or in an up position wherein the wheel is in a compact upwardly and inwardly projecting position such that the wheel is suspended by its own weight in a position approximately conforming to the upwardly arching segment of the main column.
    Type: Grant
    Filed: October 4, 1979
    Date of Patent: September 15, 1981
    Assignee: Edwin A. Nemeth
    Inventor: Edwin A. Nemeth
  • Patent number: 4236462
    Abstract: The invention relates to the wood or metal furniture industry. A folding tea trolley comprises two parallel trays, comprising a front frame and a rear frame with U-shaped lower parts, pivoting means for the rear frame and the trays, on the front frame, and temporary connecting means for the rear frame with the trays, so that in the folded position of the table, the front frame contains the lower tray in its plane and the rear frame and the upper tray are situated on both sides of the plane of the front frame and in planes parallel to the latter. The invention is used for serving trolleys.
    Type: Grant
    Filed: August 16, 1978
    Date of Patent: December 2, 1980
    Inventors: Marc A. Berthier, Alain Y. Chauvel
  • Patent number: 4199170
    Abstract: There is provided in accordance with the invention a shopping cart or carrier for carrying a plurality of relatively small objects. The shopping cart has a collapsible body member supported by a collapsible supporting structure. The supporting structure is provided with wheels for movement of the carrier or the shopping cart in a linear direction and casters for turning motion. The shopping cart or carrier is supported for transport on the bumper of an automobile by brackets.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: April 22, 1980
    Inventors: Betty A. Hubner, James R. McNeil, Jr.
  • Patent number: 4187950
    Abstract: A transporter for liquid containers is disclosed for carrying gas cans from one place to another which includes a wheeled frame supporting the gas cans by pivotal attachments to a plurality of frontal bars outwardly projecting from a vertical brace. The frontal bars define a pair of storage areas or compartments substantially occupied by the gas cans. The vertical brace includes an axle for supporting a pair of main wheels while pivotal front wheels are provided on the cantilevered ends of the frontal bars for increased maneuverability. Each of the gas cans are pivotally carried on the pivotal attachments by supporting straps which are secured to the can by a suitable removable fastener.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: February 12, 1980
    Inventor: Gale P. Peet
  • Patent number: 4114914
    Abstract: A foldable multi-purpose cart is provided in which two rectangular frames on which webbing is supported are hingedly connected together. The hinge means include means for locking the hinge means when the cart is fully opened with the frames being angularly displaced from each other by about 180.degree.. Two respective pairs of wheels are rotatably mounted at the corners of the respective frames remote from the hinged connection of the frames. One of the frames is sufficiently smaller than the other in the dimension normal to the hinging axis to permit the frames to be folded together, without mutual interference of the respective pairs of wheels, into superposed relationship by relative rotation of the frames toward each other.
    Type: Grant
    Filed: August 31, 1977
    Date of Patent: September 19, 1978
    Inventor: Teddy Cohen
  • Patent number: 4109926
    Abstract: This disclosure pertains to a rectangular sturdy base provided with four general purpose wheels that are fitted to axles which are hingably attached to the base, enabling these wheels to be stored in an unused position adjacent the marginal edges of the base. A rigid tubular handle is pivotably connected to the base permitting it to be stored along the marginal edges of the base when not in use. Four co-planer grille-like sides may be erected, removed, or folded down on the uppermost surface of the base providing, when erected, storage space when the base is acting as a cart. A strap, fabricated from a flexible material, converts the base into a dolly when four additional sturdy swivel wheels are bolted to the underside of the base. A plurality of strap retainers are fixedly secured to the marginal edges of the base, which when used in combination with flexible straps, converts the flat base into a luggage carrier.
    Type: Grant
    Filed: April 9, 1976
    Date of Patent: August 29, 1978
    Inventor: Gilbert M. Lane
  • Patent number: 4059285
    Abstract: A shopping cart having a substantially vertically extending main frame with laterally spaced main wheels rotatably mounted at the lower end of the main frame for movemment of the cart along a supporting surface is provided. Auxiliary frame means is articulately connected to the main frame for movement relative thereto between a closed position substantially coplanar with the main frame to an open position where the auxiliary frame projects forwardly from the main frame. An auxiliary wheel frame is provided having a pair of auxiliary wheels at one end thereof and articulately connected to the auxiliary frame means and being adapted, in the extended position of the latter, to engage the supporting surface along which the cart is movable at locations spaced forwardly from the main wheels.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: November 22, 1977
    Inventor: Willie McCoy
  • Patent number: 4009891
    Abstract: A hand truck having a wheel supported chassis provided with wheel shafts at the front end and the rear end thereof, an article carrier frame being pivotally secured to the said front end of the chassis so as to be swingable between an upright charging position and a rearwardly inclined transport position, and means being provided for supporting the carrier frame in this position relatively to the chassis, characterized in that the chassis is made in such a manner that the rear wheel shaft is movable towards and away from the front wheel shaft, and between the carrier frame and the rear wheel shaft to be moved rearwardly in response to the carrier frame being tilted rearwardly from its upright position.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: March 1, 1977
    Inventor: Oystein Jensen
  • Patent number: 3992033
    Abstract: A collapsible wheeled luggage carrier on which baggage may be transported in a terminal. The luggage carrier comprises an L-shaped platform with holding strap mounted to a collapsible handle and wheeled frame assembly, fastened in front of a raised L-shaped back platform.
    Type: Grant
    Filed: October 14, 1975
    Date of Patent: November 16, 1976
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Phyllis D. Zawislak
  • Patent number: 3989295
    Abstract: A folding chair, especially a wheeled push chair for a child, comprises a pair of similar side frames of interpivoted bars and cross-members integral with the side frames, the cross-members having only intermediate hinges which come into coaxial alignment when the side frames are folded and the side frames can then close together like a book.
    Type: Grant
    Filed: November 4, 1974
    Date of Patent: November 2, 1976
    Inventor: Curtis A. Sparkes
  • Patent number: 3984116
    Abstract: A wheeled creeper for use in repairing the undersides of a vehicle, upon which the user may propel himself under the vehicle, with means to unfold the creeper from a compact configuration so as to form a rigid frame in the extended position. The creeper is formed of three panels, with the middle panel hinged on each side to an outer panel so that the two outer panels may fold about the middle panel, and a frame in the form of two parallel sets of retractable rails, with the rails in the retracted position fastened to one of the outer panels. A caster wheel is mounted to each segment of the retractable rails so that when the rails are extended, a caster wheel supports each rail, and an unfolded panel section that lies on the rail.
    Type: Grant
    Filed: July 28, 1975
    Date of Patent: October 5, 1976
    Assignee: The Raymond Lee Organization, Inc.
    Inventor: Richard C. Bowers