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公开(公告)号：US20170356197A1
公开(公告)日：2017-12-14
申请号：US15618296
申请日：2017-06-09
发明人： Peter Rogers
摘要： The present application provides an effective cooperation of scaffold planks and ledger members of a scaffold system to provide a work platform that is adaptable to different requirements and configurations. In one embodiment a rail portion of a scaffold plank is received in an upwardly opening U-shaped cavity of a ledger. In this way a portion of the work surface over laps with the ledger.
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公开(公告)号：US11208815B2
公开(公告)日：2021-12-28
申请号：US16427776
申请日：2019-05-31
发明人： Peter Rogers
摘要： A scaffold clamp cooperates with a scaffold ledger to accommodate aligned placement of the scaffold clamp to the ledger at modular positions in the length of the ledger. The scaffold clamp includes an inwardly directed alignment lug sized for receipt in one or more clamp locating holes provided in the length of the ledger at modular positions. This arrangement provides accurate securement of the clamp to the ledger at predetermined modular positions and reduces problems that can occur with respect to erection of the scaffold system.
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公开(公告)号：US11255095B2
公开(公告)日：2022-02-22
申请号：US16611341
申请日：2018-05-08
发明人： Peter Rogers
摘要： A scaffold ledger providing a raised support surface of the elongate structural member with the opposed ledger heads being downwardly and outwardly offset. Each ledger head includes cover flaps that extend the raised support surface above the ledger heads in a cover position. The scaffold ledger cooperates with scaffold posts and scaffold planks to allow for a continuous work platform above an intermediate scaffold support post and/or across supporting ledgers.
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