Patents Assigned to L.B. Plastics Limited
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Patent number: 4304449Abstract: 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: GrantFiled: April 17, 1979Date of Patent: December 8, 1981Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: 4303289Abstract: 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: GrantFiled: May 9, 1979Date of Patent: December 1, 1981Assignee: L.B. (Plastics) LimitedInventor: Terence Hardy
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Patent number: 4298234Abstract: 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: GrantFiled: April 6, 1979Date of Patent: November 3, 1981Assignee: L.B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: 4219247Abstract: 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: GrantFiled: January 18, 1979Date of Patent: August 26, 1980Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: 4212503Abstract: 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: GrantFiled: April 24, 1978Date of Patent: July 15, 1980Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: 4190306Abstract: 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: GrantFiled: April 3, 1978Date of Patent: February 26, 1980Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: 4186979Abstract: 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: GrantFiled: July 12, 1978Date of Patent: February 5, 1980Assignee: L. B. (Plastics) LimitedInventor: Leon G. Litchfield
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Patent number: 4162114Abstract: 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: GrantFiled: July 15, 1977Date of Patent: July 24, 1979Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: 4108520Abstract: 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: GrantFiled: September 15, 1976Date of Patent: August 22, 1978Assignee: L. B. (Plastics) LimitedInventor: Leon George Litchfield
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Patent number: 4042288Abstract: 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: GrantFiled: May 19, 1975Date of Patent: August 16, 1977Assignee: L. B. (Plastics) LimitedInventor: Leon G. Litchfield
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Patent number: 4002261Abstract: 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: GrantFiled: October 29, 1975Date of Patent: January 11, 1977Assignee: L.B. (Plastics) LimitedInventor: Leon George Litchfield
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Patent number: D255632Type: GrantFiled: January 27, 1978Date of Patent: July 1, 1980Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: D255741Type: GrantFiled: January 27, 1978Date of Patent: July 8, 1980Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: D256752Type: GrantFiled: January 27, 1978Date of Patent: September 9, 1980Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: D258709Type: GrantFiled: January 27, 1978Date of Patent: March 31, 1981Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: D258792Type: GrantFiled: January 27, 1978Date of Patent: April 7, 1981Assignee: L. B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy
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Patent number: D260340Type: GrantFiled: December 20, 1978Date of Patent: August 25, 1981Assignee: L.B. (Plastics) LimitedInventor: Terence Hardy
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Patent number: D263914Type: GrantFiled: October 3, 1979Date of Patent: April 20, 1982Assignee: L.B. (Plastics) LimitedInventors: Leon G. Litchfield, Terence Hardy