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11. 发明授权

US10590703B2 Ladder, top and method 有权
公开(公告)号：US10590703B2
公开(公告)日：2020-03-17
申请号：US15803023
申请日：2017-11-03
申请人： Thomas W. Parker , Daniel C. Mora , Robert D. Beggs , Tek Lentine , Joseph C. Dangrow , Adam C Field , Brent Sedlacek
发明人： Thomas W. Parker , Daniel C. Mora , Robert D. Beggs , Tek Lentine , Joseph C. Dangrow , Adam C Field , Brent Sedlacek
IPC分类号： E06C7/48 , E06C1/14 , E06C1/04 , E06C1/18 , E06C7/14
摘要： A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a first rectangular slot and a second rectangular slot extending from the first rectangular slot so an external corner can fit into the first rectangular slot when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.

12. 发明申请

US20180187488A1 Ladder, Top and Method 审中-公开
公开(公告)号：US20180187488A1
公开(公告)日：2018-07-05
申请号：US15395397
申请日：2016-12-30
申请人： Daniel C. Mora , Robert D. Beggs , Tek Lentine , Joseph C Dangrow , Adam C. Fields , Brent Sedlacek
发明人： Daniel C. Mora , Robert D. Beggs , Tek Lentine , Joseph C Dangrow , Adam C. Fields , Brent Sedlacek
IPC分类号： E06C7/48 , E06C1/06
CPC分类号： E06C7/482 , E06C1/18
摘要： A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a V so a corner can fit into the V when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.

13. 发明授权

US08616336B2 Method for a ladder with a ladder leveler 有权
标题翻译：带梯子矫直机的梯子方法
公开(公告)号：US08616336B2
公开(公告)日：2013-12-31
申请号：US13604217
申请日：2012-09-05
申请人： Joseph C. Dangrow , James J. Grebinoski , David A. Winslow
发明人： Joseph C. Dangrow , James J. Grebinoski , David A. Winslow
IPC分类号： E06C7/00
CPC分类号： E06C7/44 , E06C7/003
摘要： A method for setting a ladder in place includes the steps of leaning a top edge of the ladder against a work surface and swivel shoes on the bottom end of each leg of the ladder onto ground, positioning the ladder until a bubble of a rung of the ladder indicates a level reading. The method also includes the steps of sliding a rectangular closed box section metal leg having a cap which acts as a stop in an upper housing portion, the upper housing portion has two holes side by side, and a lower housing portion spaced apart from the upper housing portion of a housing of the leg attached to a rail of the ladder and inserting a holder through a hole of the two holes of the upper housing portion and a hole of two rows of holes which are set side by side but offset vertically from each other and extend through the leg.
摘要翻译：用于将梯子设置在位的方法包括以下步骤：将梯子的顶部边缘靠在工作表面上，并将梯子每个腿的底端上的鞋子转移到地面上，将梯子定位到梯级的气泡梯子表示水平读数。该方法还包括以下步骤：将具有帽的矩形封闭盒部分金属支腿作为止动件滑动到上部壳体部分中，上部壳体部分具有并排的两个孔，以及与上部壳体部分间隔开的下部壳体部分腿的壳体的壳体部分附接到梯子的轨道并且通过上壳体部分的两个孔的孔插入保持器，并且两个孔的孔并排设置，但是彼此垂直地偏离其他并延伸穿过腿。

14. 发明授权

US07306075B2 Dynamic hinge for ladder 失效
标题翻译：梯子动态铰链
公开(公告)号：US07306075B2
公开(公告)日：2007-12-11
申请号：US11104584
申请日：2005-04-13
申请人： David A. Winslow , Joseph C. Dangrow
发明人： David A. Winslow , Joseph C. Dangrow
IPC分类号： E06C1/00
CPC分类号： E06C7/50 , E05D1/04 , E05Y2900/60 , E06C1/18 , E06C1/20 , Y10T16/544
摘要： A dynamic hinge includes a first member connected to a first ladder portion of a ladder, and a second member connected to a second ladder portion. The first member pivots relative to the second member about a pivot axis that does not intersect both the first and second members. The first member includes first and second parallel segments, and the second member includes a third and fourth parallel segments. A guide plate is attached to either the first or second member, and the guide plate is positioned between the first and second segments and between the third and fourth segments. The guide plate includes two non-linear slots, and an other of the first and second members includes two pins, respectively adapted to slide within the two non-linear slots. The pins extend between either the first and second segments or the third and fourth segments.
摘要翻译：动态铰链包括连接到梯子的第一梯形部分的第一构件和连接到第二梯子部分的第二构件。第一构件相对于第二构件围绕不与第一构件和第二构件相交的枢转轴线枢转。第一构件包括第一和第二平行段，并且第二构件包括第三和第四平行段。引导板附接到第一或第二构件上，并且引导板位于第一和第二段之间以及第三和第四段之间。引导板包括两个非线性槽，并且第一和第二构件中的另一个包括分别适于在两个非线性槽内滑动的两个销。销在第一和第二段或第三和第四段之间延伸。

15. 发明授权

US11536087B2 Stepladder having a ladder top with conduit holder slot and method 有权
公开(公告)号：US11536087B2
公开(公告)日：2022-12-27
申请号：US16662959
申请日：2019-10-24
申请人： Robert C. Tiber , Joseph C. Dangrow , Tracee A. Leonardson
发明人： Robert C. Tiber , Joseph C. Dangrow , Tracee A. Leonardson
IPC分类号： E06C7/14 , E06C7/46 , B26D7/01
摘要： The present invention pertains to a stepladder. The stepladder includes a ladder top having a surface having a front side and a rear side and a left side and a right side and a front side flange and a rear side flange and a left side flange and a right side flange. The stepladder includes a conduit holder slot for holding tubing, pipe and conduit. The conduit holder slot extends along the length of the surface and in the surface's right side and the left side. The conduit holder slot has a cross-section in the ladder top which is non-symmetrical. The stepladder includes a front section. The stepladder includes a rear section. A method for cutting a tube.

16. 发明申请

US20200208470A1 Ladder, Top and Method 审中-公开
公开(公告)号：US20200208470A1
公开(公告)日：2020-07-02
申请号：US16818602
申请日：2020-03-13
申请人： Thomas W. Parker , Daniel C. Mora , Robert D. Beggs , Tek Lentine , Joseph C. Dangrow , Adam C. Field , Brent Sedlacek
发明人： Thomas W. Parker , Daniel C. Mora , Robert D. Beggs , Tek Lentine , Joseph C. Dangrow , Adam C. Field , Brent Sedlacek
IPC分类号： E06C7/48 , E06C1/18 , E06C1/04 , E06C1/14
摘要： A ladder having a first rail. The ladder having a second rail. The ladder having a plastic top directly attached to the first rail and second rail with fasteners. The top having a first side and a second side. The first side having a gap with a surface with a first rectangular slot and a second rectangular slot extending from the first rectangular slot so an external corner can fit into the first rectangular slot when the top leans against the corner. The surface of the first side having a first notch in the gap so a first rectangular plank can fit into the first notch when the top leans against the plank. The first notch having a width slightly larger than a width of the first plank. A ladder top. A method for using a ladder.

17. 发明授权

US10145128B2 Interlocking work platform system and method 有权
公开(公告)号：US10145128B2
公开(公告)日：2018-12-04
申请号：US15382061
申请日：2016-12-16
申请人： Steve Woodward , Joseph C. Dangrow , Michael A. Somerfield
发明人： Steve Woodward , Joseph C. Dangrow , Michael A. Somerfield
IPC分类号： E04G1/15 , E04G1/34 , E04G1/32
摘要： A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.

18. 发明授权

US09435155B2 Stepladder having a ladder top with conduit holder slot and method 有权
标题翻译：梯子具有梯形顶部，带有导管支架槽和方法
公开(公告)号：US09435155B2
公开(公告)日：2016-09-06
申请号：US13890924
申请日：2013-05-09
申请人： Robert C. Tiber , Joseph C. Dangrow , Tracee A. Leonardson
发明人： Robert C. Tiber , Joseph C. Dangrow , Tracee A. Leonardson
IPC分类号： E06C7/14 , E06C7/46
CPC分类号： E06C7/14 , B26D7/01 , E06C7/46 , Y10T83/04
摘要： The present invention pertains to a stepladder. The stepladder includes a ladder top having a plane having a front side and a rear side and a left side and a right side and a front side flange and a rear side flange and a left side flange and a right side flange. The stepladder includes a conduit holder slot for holding tubing, pipe and conduit. The conduit holder slot extends along the entire length of the top and in the right side and the left side. The conduit holder slot has a cross-section in the ladder top which is non-symmetrical. The stepladder includes a front section. The stepladder includes a rear section. A method for cutting a tube.
摘要翻译：本发明涉及一种梯子。梯子包括具有前侧和后侧以及左侧和右侧以及前侧凸缘和后侧凸缘以及左侧凸缘和右侧凸缘的平面的梯子。梯子包括用于保持管道，管道和管道的管道保持器槽。管道保持器槽沿着顶部的整个长度以及在右侧和左侧延伸。管道保持器槽在梯子顶部具有不对称的横截面。梯子包括前部。梯子包括一个后部。一种切割管的方法。

19. 发明申请

US20140110189A1 Ladder Leveler and Method 审中-公开
标题翻译：梯子矫直机和方法
公开(公告)号：US20140110189A1
公开(公告)日：2014-04-24
申请号：US14139520
申请日：2013-12-23
申请人： Joseph C. Dangrow , James J. Grebinoski , David A. Winslow
发明人： Joseph C. Dangrow , James J. Grebinoski , David A. Winslow
IPC分类号： E06C7/44
CPC分类号： E06C7/44 , E06C7/003
摘要： A leveler for a ladder having side rails and a rung comprises a metal housing fixed to one of the side rails. The housing has an opening. The leveler comprises a metal leg with slides in the housing and is adjustable in the housing. The leg has a top end and a bottom end. The leg has two rows of holes which are set side by side and extend through the leg. The leveler comprises a holder for holding a leg to the housing. The holder extending through the opening and one of the holes to hold a leg in place. The leveler comprises a cap disposed on the top end which acts as a stop for the leg when the cap contacts the housing. A method for setting a ladder in place.
摘要翻译：用于具有侧轨和梯级的梯子的矫直机包括固定到一个侧轨的金属外壳。房屋有一个开口。矫直机包括金属支脚，其在壳体中具有滑动件并且可在壳体中调节。腿有顶端和底端。腿部具有并排设置并延伸穿过腿部的两排孔。平整机包括用于将腿保持在壳体上的保持器。保持器延伸穿过开口和一个孔，以将腿保持在适当位置。矫直机包括设置在顶端上的盖，当帽接触壳体时，其用作腿部的止挡件。将梯子设置到位的方法。

20. 发明授权

US10760337B2 Ladder leveler and method 有权
公开(公告)号：US10760337B2
公开(公告)日：2020-09-01
申请号：US14139520
申请日：2013-12-23
申请人： Joseph C. Dangrow , James J. Grebinoski , David A. Winslow
发明人： Joseph C. Dangrow , James J. Grebinoski , David A. Winslow
IPC分类号： E06C7/44 , E06C7/00
摘要： A leveler for a ladder having side rails and a rung comprises a metal housing fixed to one of the side rails. The housing has an opening. The leveler comprises a metal leg with slides in the housing and is adjustable in the housing. The leg has a top end and a bottom end. The leg has two rows of holes which are set side by side and extend through the leg. The leveler comprises a holder for holding a leg to the housing. The holder extending through the opening and one of the holes to hold a leg in place. The leveler comprises a cap disposed on the top end which acts as a stop for the leg when the cap contacts the housing. A method for setting a ladder in place.

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