Patents Assigned to L.B. Plastics Limited
  • Patent number: 4304449
    Abstract: A drawer assembly comprising a drawer slidably supported on a pair of drawer runners each comprising an elongated member of angle section having a mounting flange by means of which the runner may be mounted at a suitable location in a drawer cabinet or like supporting structure, and a drawer-engaging flange projecting at right angles to the mounting flange and adapted to extend into a runner recess formed in the drawer side, and means for taking up lateral clearance between the drawer and the drawer runners.
    Type: Grant
    Filed: April 17, 1979
    Date of Patent: December 8, 1981
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: 4303289
    Abstract: A connecting member for use in interconnecting elongated structural components having openings in their ends, the connecting member including projecting spigot members for engagement in the openings and a cover portion adapted to extend over portions of the outer surfaces of the interconnected components to conceal the joint between them. In one particular arrangement the connecting member comprises a corner piece for interconnecting hollow extruded plastics components to form a tray construction.
    Type: Grant
    Filed: May 9, 1979
    Date of Patent: December 1, 1981
    Assignee: L.B. (Plastics) Limited
    Inventor: Terence Hardy
  • Patent number: 4298234
    Abstract: A drawer runner comprising an elongated member of angle section having a mounting flange by means of which the runner may be mounted at a suitable location in a drawer supporting structure and a drawer-engaging flange projecting at right angles to the mounting flange and adapted to extend into a track formed in the drawer side, the drawer-engaging flange being provided with or being adapted to engage with means for slidably supporting the drawer in the supporting structure.
    Type: Grant
    Filed: April 6, 1979
    Date of Patent: November 3, 1981
    Assignee: L.B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: 4219247
    Abstract: A suspended filing drawer having a relatively low back and sides and a relatively high front and a file supporting assembly mounted on the low section of the drawer and connected to the rear face of the drawer front, the file supporting assembly including parallel rails for the accommodation of suspended files. The drawer may be of "knock-down" construction comprising separate side, back and front panels interconnected by connecting pieces whereby the drawer may be stored and transported in a "knocked-down" or disassembled condition and erected subsequently.
    Type: Grant
    Filed: January 18, 1979
    Date of Patent: August 26, 1980
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: 4212503
    Abstract: A drawer runner comprising an elongated member having a longitudinal channel formed in the face thereof which is adjacent to the drawer in use, a stop member projecting into the channel at a position spaced inwardly from the end of the runner which is forwardmost in use and having a rearwardly directed face, the stop member being arranged to co-operate with a projection on a drawer to prevent complete withdrawal of the drawer from its cabinet or other housing, a portion of the upper surface of the runner being cut away in the region of the stop member whereby to permit upward tilting of the drawer about the front end of the runner to disengage the projection from the stop member and enable the drawer to be withdrawn from the housing.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: July 15, 1980
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: 4190306
    Abstract: A drawer assembly comprising back and side wall panels of extruded construction each comprising upper and lower hollow sections interconnected by a web defining a longitudinal recess which, in the drawer side wall panels, is adapted for engagement with drawer runners mounted in a cabinet or the like in which the drawer is to be supported in use, the wall panels being interconnected at right angles to one another by corner pieces having projections engaging in the open ends of the upper and lower hollow sections of the panels, and stop devices slidably mounted on said web at opposite ends of the back panel for movement between retracted inoperative positions in which the stop devices are clear of the longitudinal recesses of the side wall panels and extended operative positions in which portions of the stop devices project across said recesses for engagement with abutment members carried by the drawer runners.
    Type: Grant
    Filed: April 3, 1978
    Date of Patent: February 26, 1980
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: 4186979
    Abstract: A drawer having longitudinal tracks formed in the opposite side walls thereof and a pair of guide members mounted at the rear corners of the drawer and movable between retracted positions in which the guide members are clear of the rear ends of the associated tracks and operative positions in which the guide members extend across the ends of the respective tracks, the guide members being adapted to engage with respective drawer runners mounted in a supporting structure in which the drawer is supported in use to support and guide the rear end of the drawer on the runners.
    Type: Grant
    Filed: July 12, 1978
    Date of Patent: February 5, 1980
    Assignee: L. B. (Plastics) Limited
    Inventor: Leon G. Litchfield
  • Patent number: 4162114
    Abstract: A drawer side panel having a channel extending lengthwise of the face thereof which is outermost in use, the channel being parallel to one longitudinal edge of the panel and having a longitudinally extending lip projecting across the entrance to the channel from at least one longitudinal edge thereof. The panel is used with novel forms of drawer runner and may be adapted to be interchangeably mounted on runners of different construction. Various other novel components are also disclosed.
    Type: Grant
    Filed: July 15, 1977
    Date of Patent: July 24, 1979
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: 4108520
    Abstract: A component for use in interconnecting the front and side walls of a drawer in which the walls are formed from hollow extruded plastic panels, the component comprising a corner post having locating members projecting in two directions at right angles to one another, and detents on the locating members for engagement in apertures in the wall panels, the detents on the locating members which engage the front wall panel being formed on the inner faces of the members.
    Type: Grant
    Filed: September 15, 1976
    Date of Patent: August 22, 1978
    Assignee: L. B. (Plastics) Limited
    Inventor: Leon George Litchfield
  • Patent number: 4042288
    Abstract: A drawer construction in which at least the sides and back are formed from identical hollow extruded plastics panels each provided with a longitudinal recess in the face thereof which will be innermost in use in order to accommodate a drawer bottom, and the panels being interconnected at right angles to one another by corner pieces engaged in the open ends of the panels. Detent means are preferably provided to retain the corner pieces securely in engagement with the open ends of the panels.
    Type: Grant
    Filed: May 19, 1975
    Date of Patent: August 16, 1977
    Assignee: L. B. (Plastics) Limited
    Inventor: Leon G. Litchfield
  • Patent number: 4002261
    Abstract: A panel constituted by at least two panel members disposed edge to edge and each having cavities in the ends thereof, the panel members being interconnected at at least one end by a connecting member having spigot formations engaged in the cavities such that the connecting member bridges the panel members and retains them in abutment with one another. A plurality of such panels may be used to form the sides and ends of an enclosure or container such as a drawer in which case connecting members in the form of corner pieces may be used having two pairs of spigot formations projecting at right angles so as to connect adjacent sides together in addition to bridging the panel members forming each side.
    Type: Grant
    Filed: October 29, 1975
    Date of Patent: January 11, 1977
    Assignee: L.B. (Plastics) Limited
    Inventor: Leon George Litchfield
  • Patent number: D255632
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: July 1, 1980
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: D255741
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: July 8, 1980
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: D256752
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: September 9, 1980
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: D258709
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: March 31, 1981
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: D258792
    Type: Grant
    Filed: January 27, 1978
    Date of Patent: April 7, 1981
    Assignee: L. B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy
  • Patent number: D260340
    Type: Grant
    Filed: December 20, 1978
    Date of Patent: August 25, 1981
    Assignee: L.B. (Plastics) Limited
    Inventor: Terence Hardy
  • Patent number: D263914
    Type: Grant
    Filed: October 3, 1979
    Date of Patent: April 20, 1982
    Assignee: L.B. (Plastics) Limited
    Inventors: Leon G. Litchfield, Terence Hardy