# US 7,743,937 B2 · Blow molded universal lid > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,743,937 B2 - Document ID: US7743937B2 - Status: Granted - Kind: B2 - Application number: 11/415,348 - Filed: 2006-05-01 - Published: 2006-12-07 - Granted: 2010-06-29 - Earliest claimed: 2002-05-10 - Inventors: Craig V. Taylor - Web page: https://patentgrep.com/patent/US7743937B2 ## CPC - B65F 1/1646: {provided with means for mounting on receptacles, e.g. hinges} - B65F 1/16: Lids or covers ({B65F1/1421 takes precedence}; pedal or hand-lever operated {for containers in general} B65D) - B65F 2220/124: stackable - Y10S 220/908: Trash container - B65F: GATHERING OR REMOVAL OF DOMESTIC OR LIKE REFUSE (disinfecting refuse A61L; refuse disintegrators B02C; sorting refuse B03B; B07B; handcarts for transporting refuse receptacles B62B; sack holders B65B67/00; converting refuse into fertilisers C05F; converting refuse into solid fuels C10L; sewers, cesspools E03F; arrangements in buildings for the disposal of refuse E04F17/10; refuse-consuming furnaces F23G; {for surgical articles A61B50/36}) - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract A lid for industrial or commercial large size solid waste containers has a ribbed single layer central portion and a peripheral edge having a hollow double wall boxed configuration. The lids have substantial symmetry so that the lids may be stacked and nested with alternate lids oriented in opposite front-to-back directions. ## Claims ### Claim 1 A plastic lid for large commercial and industrial solid waste containers, comprising: a central area of said lid having a single wall with a plurality of raised ribs spaced apart by intervening wells; front, rear and two side perimeter edges connected integrally to said central area, said perimeter edges having a substantially hollow double wall cross-sectional configuration; a plurality of hinge lugs along the rear perimeter edge, said hinge lugs including a plurality of tubular portions connected together by tubular web portions, said plurality of tubular portions being radially thicker than said tubular web portions; said lid being substantially symmetrical for permitting alternate stacking with similar lids with adjacent lids facing in opposite directions; and the front edge of said lid being shaped to provide vertical clearance for said hinge lugs on said rear edge when the lid is stacked with edges of adjacent lids being in engagement and adjacent lids being reversed in orientation; whereby said similar lids may be stacked with the vertical height of the stack being equal to the number of lids multiplied by the thickness of the hollow edges, plus the height of the ribs of one lid above the hollow edge thereof. ### Claim 2 (depends on 1) The plastic lid of claim 1, wherein said lid is substantially symmetrical both side-to-side, and front-to-back. ### Claim 3 (depends on 1) The plastic lid of claim 1, wherein said plurality of hinge lugs are grouped in right and left side pairs of first and second sets of hinges spaces apart by a recessed portion. ### Claim 4 (depends on 1) The plastic lid of claim 1, wherein said intervening wells include a central raised portion. ### Claim 5 (depends on 1) The plastic lid of claim 1, wherein said two side edges have a bottom wall with an indented raised middle portion. ### Claim 6 (depends on 4) The plastic lid of claim 4, wherein said central raised portion is arched. ### Claim 7 A plastic lid for large commercial and industrial solid waste containers, comprising: a central area of said lid having a single wall with a plurality of raised ribs spaced apart by intervening wells, said intervening wells including a central raised portion; front, rear and two side perimeter edges connected integrally to said central area, said perimeter edges having a substantially hollow double wall cross-sectional configuration; a plurality of hinge lugs along the rear perimeter edge, said hinge lugs including a plurality of tubular portions connected together by tubular web portions, said plurality of tubular portions being radially thicker than said tubular web portions; said lid being substantially symmetrical for permitting alternate stacking with similar lids with adjacent lids facing in opposite directions; and the front edge of said lid being shaped to provide vertical clearance for said hinge lugs on said rear edge when the lid is stacked with edges of adjacent lids being in engagement and adjacent lids being reversed in orientation; whereby said similar lids may be stacked with the vertical height of the stack being equal to the number of lids multiplied by the thickness of the hollow edges, plus the height of the ribs of one lid above the hollow edge thereof. ### Claim 8 (depends on 7) The plastic lid of claim 7, wherein said two side edges have a bottom wall with an indented raised middle portion. ### Claim 9 (depends on 7) The plastic lid of claim 7, wherein said central raised portion is arched. ### Claim 10 (depends on 7) The plastic lid of claim 7, wherein said lid is substantially symmetrical both side-to-side, and front-to-back. ### Claim 11 (depends on 7) The plastic lid of claim 7, wherein said plurality of hinge lugs are grouped in right and left side pairs of first and second sets of hinges spaces apart by a recessed portion.