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公开(公告)号：US11459777B2
公开(公告)日：2022-10-04
申请号：US16521776
申请日：2019-07-25
发明人： Kevin Jablonski
摘要： A roller system including a top roller, a middle roller, a split lower roller and a split workbench roller configured for a pump jack arranged for travelling up and down a pole, wherein the top roller includes flanges at both ends of the roller; wherein the split lower roller includes a pair of facing lower rollers, each of the pair of facing lower rollers having an outward tapered flange; and wherein the split workbench roller includes a pair of facing workbench rollers, each of the pair of facing workbench rollers having an outward tapered flange.
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公开(公告)号：US10604951B2
公开(公告)日：2020-03-31
申请号：US15803135
申请日：2017-11-03
发明人： Kevin Jablonski
摘要： A support member is provided for joining scaffolding plank segments comprising a first support surface for supporting a first scaffolding plank segment and a second support surface parallel to the first support surface for supporting a second scaffolding plank segment. A joining member joins the first and second plank segments, a first retainer is provided for retaining the first scaffolding plank segment on the first support surface and a second retainer for retaining the second scaffolding plank segment on the second support surface. A system is further provided comprising at least two scaffolding plank segments and a bracket, such as that described above, for supporting an end of each of the segments.
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公开(公告)号：US20200048916A1
公开(公告)日：2020-02-13
申请号：US16521776
申请日：2019-07-25
发明人： Kevin Jablonski
摘要： A roller system including a top roller, a middle roller, a split lower roller and a split workbench roller configured for a pump jack arranged for travelling up and down a pole, wherein the top roller includes flanges at both ends of the roller; wherein the split lower roller includes a pair of facing lower rollers, each of the pair of facing lower rollers having an outward tapered flange; and wherein the split workbench roller includes a pair of facing workbench rollers, each of the pair of facing workbench rollers having an outward tapered flange.
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公开(公告)号：US20180119435A1
公开(公告)日：2018-05-03
申请号：US15803135
申请日：2017-11-03
发明人： Kevin JABLONSKI
摘要： A support member is provided for joining scaffolding plank segments comprising a first support surface for supporting a first scaffolding plank segment and a second support surface parallel to the first support surface for supporting a second scaffolding plank segment. A joining member joins the first and second plank segments, a first retainer is provided for retaining the first scaffolding plank segment on the first support surface and a second retainer for retaining the second scaffolding plank segment on the second support surface. A system is further provided comprising at least two scaffolding plank segments and a bracket, such as that described above, for supporting an end of each of the segments.
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