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1. 发明授权

US09272168B2 Energy absorbers, connectors and horizontal lifeline systems 有权
标题翻译：能量吸收器，连接器和水平救生索系统
公开(公告)号：US09272168B2
公开(公告)日：2016-03-01
申请号：US12366909
申请日：2009-02-06
申请人： Thomas W. Parker , David A. Winslow , Eric M. Manson , Preston L. Anderson
发明人： Thomas W. Parker , David A. Winslow , Eric M. Manson , Preston L. Anderson
IPC分类号： A62B1/16 , A62B35/04 , E04G21/32 , F16F7/12
CPC分类号： A62B35/04 , E04G5/045 , E04G21/3233 , E04G21/3242 , E04G21/3261 , E04G21/3276 , E04G21/329 , E04G21/3295 , F16F7/123 , F16F7/128
摘要： An energy absorber including a strap including at least a first path of relatively reduced strength extending over at least a portion of the length of the strap. The energy absorber also includes at least a first transition region including a first initial point where tearing begins along the first transition region when a force above a threshold force is applied (to the energy absorber/strap) and a first end point. The first end point is in operative connection with a first point on the first path so that tearing continues along the first path after tearing along the first transition region. A gradual increase in load occurring as tearing occurs along the transition region.
摘要翻译：一种能量吸收器，其包括带，所述带包括在所述带的长度的至少一部分上延伸的至少第一路径，所述至少第一路径具有相对减小的强度。所述能量吸收器还包括至少第一过渡区域，所述第一过渡区域包括第一初始点，当施加高于阈值力的力（所述能量吸收器/带）时，所述第一初始点沿着所述第一过渡区域开始，以及第一终点。第一端点与第一路径上的第一点操作连接，使得沿着第一过渡区域撕裂之后沿着第一路径继续撕裂。沿着过渡区域发生撕裂发生的负荷逐渐增加。

2. 发明授权

US10072689B2 Stanchion systems, stanchion attachment systems, and horizontal lifeline systems including stanchion systems 有权
公开(公告)号：US10072689B2
公开(公告)日：2018-09-11
申请号：US12366649
申请日：2009-02-06
申请人： Thomas W. Parker , David A. Winslow , Eric M. Manson
发明人： Thomas W. Parker , David A. Winslow , Eric M. Manson
IPC分类号： F16B9/02 , E04G21/32 , E04G5/04
CPC分类号： F16B9/02 , E04G5/045 , E04G21/3219 , E04G21/3233 , F16B9/023 , Y10T403/18 , Y10T403/39 , Y10T403/69
摘要： A stanchion system, includes a stanchion post and an attachment system for attachment to a flange which includes a first edge and a second edge. The attachment system includes a crossbar including an extending section and an abutment member on a first end thereof to abut the first edge of the flange; a base including a passage through which the extending section of the crossbar is movable and a seating for the stanchion post; and a connector including a first section and a second section. The second section of the connector is attachable to the extending section of the crossbar at one of a plurality of incremental positions. The first section of the connector is movable relative to the second section to adjust the position of the first section relative to the abutment member of the crossbar. In several embodiments, the first section is movable relative to the second section to abut the base on a side of the base opposite the side upon which the flange is positioned to adjust the position of the first section relative to the abutment member.

3. 发明申请

US20220372819A1 Ladder With Battery Power, and Methods 有权
公开(公告)号：US20220372819A1
公开(公告)日：2022-11-24
申请号：US17523784
申请日：2021-11-10
申请人： Patrick McAuliffe , Thomas W. Parker
发明人： Patrick McAuliffe , Thomas W. Parker
IPC分类号： E06C7/14 , H02J7/00 , E06C7/00 , H01M50/298 , H01M50/213
摘要： A ladder having a first front rail. The ladder has a second front rail in parallel and spaced relation with the first front rail. The ladder as a first rung attached to and positioned between the first front rail and the second front rail. The ladder as a receptacle attached to the ladder which is adapted to receive a battery. The receptacle having electrical contacts for the battery and an electrical outlet. The ladder has a wiring harness attached to the ladder and electrically connected to the electrical outlet to receive electricity from the battery. A method for providing electricity from a ladder. A method for making a ladder.

4. 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.

5. 发明申请

US20200032530A1 Scaffold With Latch Assembly and Method 审中-公开
公开(公告)号：US20200032530A1
公开(公告)日：2020-01-30
申请号：US16590009
申请日：2019-10-01
申请人： Steve Woodward , Joe Dangrow , Thomas W. Parker
发明人： Steve Woodward , Joe Dangrow , Thomas W. Parker
IPC分类号： E04G1/04 , E04G1/32 , E04G1/34
摘要： A scaffold upon which a person stands includes a platform with a first leg assembly rotatably attached to the platform. The scaffold includes a latch assembly having a latch pivot axis coupled to the platform. The scaffold includes a stud attached to a first leg of the first leg assembly to which the latch assembly engages when the first leg assembly is moved into the extended position to automatically lock the first leg assembly in the extended position where the latch assembly is in a set position. When the latch assembly is moved out of the set position, the stud on the first leg disengages from the latch assembly and the first leg assembly is able to rotate about the first leg assembly pivot axis to a folded position. A method for using a scaffold.

6. 发明授权

US10435947B2 Ladder with pinch flex latch, and method 有权
公开(公告)号：US10435947B2
公开(公告)日：2019-10-08
申请号：US15802949
申请日：2017-11-03
申请人： Thomas W. Parker , Tek Lentine
发明人： Thomas W. Parker , Tek Lentine
IPC分类号： E06C7/06 , E06C1/383 , E06C1/18 , E06C7/50 , E06C1/16 , E06C7/14 , E06C1/04 , E06C1/14
摘要： A ladder having a front section and a rear section. The ladder has a step attached to the front section and a cross bar attached to the rear section. The ladder has a latch attached to the cross bar and positioned on the cross bar so when the ladder is in a folded position where the front section is alongside and in parallel with the rear section, the latch latches with the step. The latch has a hook portion having a hook which engages with the step that the latch holds in place. The latch has a base portion that is fixed to the cross bar. The latch has a pinch flex portion connected to the base portion and the hook portion.

7. 发明申请

US20180128049A1 Tubular Access Ladder and Method 审中-公开
公开(公告)号：US20180128049A1
公开(公告)日：2018-05-10
申请号：US15863516
申请日：2018-01-05
申请人： Thomas W. Parker
发明人： Thomas W. Parker
IPC分类号： E06C1/12 , E04F11/06 , E06C9/08
CPC分类号： E06C1/125 , E04F11/068 , E06C9/08
摘要： An access ladder includes a plurality of sections connected together to telescope between an extended position and a retracted position that has an increasing reactive force to counterbalance the weight of the sections as they extend.

8. 发明申请

US20170275897A1 Scaffold With Latch Assembly and Method 审中-公开
公开(公告)号：US20170275897A1
公开(公告)日：2017-09-28
申请号：US15077560
申请日：2016-03-22
申请人： Steve Weadward , Joe Dangrow , Thomas W. Parker , Michael A. Samerfield
发明人： Steve Weadward , Joe Dangrow , Thomas W. Parker , Michael A. Samerfield
IPC分类号： E04G1/04
CPC分类号： E04G1/04 , E04G1/32 , E04G1/34
摘要： A scaffold upon which a person stands includes a platform with a first leg assembly rotatably attached to the platform. The scaffold includes a latch assembly having a latch pivot axis coupled to the platform. The scaffold includes a stud attached to a first leg of the first leg assembly to which the latch assembly engages when the first leg assembly is moved into the extended position to automatically lock the first leg assembly in the extended position where the latch assembly is in a set position. When the latch assembly is moved out of the set position, the stud on the first leg disengages from the latch assembly and the first leg assembly is able to rotate about the first leg assembly pivot axis to a folded position. A method for using a scaffold.

9. 发明申请

US20150211297A1 Stepladder with Latch Stud and Method 有权
标题翻译：梯子与闩锁螺柱和方法
公开(公告)号：US20150211297A1
公开(公告)日：2015-07-30
申请号：US14668526
申请日：2015-03-25
申请人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian A. Wong Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/383
CPC分类号： E06C1/387 , A47C12/00 , E06C1/383 , E06C1/393
摘要： A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together, and the latch when pulled up from the engaged position, disengages from the first stud and allows the front section and rear section to fold together into a closed position where the first rear leg and the first front leg are in parallel. A method of positioning a step ladder.
摘要翻译：梯子包括具有第一前腿和第二前腿的前部。梯子包括附接到第一前腿和第二前腿的台阶。梯子包括与台阶接合的闩锁。梯子包括具有第一后腿和第二后腿以及连接到第一后腿和第二后腿的横杆的后部。后部可枢转地连接到前部。后部具有从第一后腿朝向第二后腿延伸的第一螺柱，并且分离和分开并且不与第二后腿接触并且不与横杆接触。闩锁与第一螺柱接合并锁定到第一螺柱以限定接合位置，其中第一前腿和第一后腿处于打开位置并形成倒V形并被防止折叠在一起，并且当拉起时闩锁从接合位置脱离第一螺柱，并允许前部和后部一起折叠到第一后腿和第一前腿平行的关闭位置。定位阶梯的方法。

10. 发明申请

US20120000051A1 Flip ladder with tray and method 有权
标题翻译：翻转梯与托盘和方法
公开(公告)号：US20120000051A1
公开(公告)日：2012-01-05
申请号：US13199774
申请日：2011-09-08
申请人： Thomas W. Parker
发明人： Thomas W. Parker
IPC分类号： B23P11/00
CPC分类号： E06C1/32 , E06C7/14 , Y10T29/49826
摘要： A climbing apparatus that rests on a surface includes a flip ladder that can move between a straight configuration and a stepladder configuration. The apparatus includes a tray having a plane attached to the flip ladder that moves with the flip ladder between the straight configuration where the tray plane is essentially parallel with the ladder in a stowed position and a stepladder configuration where the tray plane is essentially parallel with the surface in an open position. A method for climbing includes the steps of moving a flip ladder between a straight configuration and a stepladder configuration. There is the step of moving a tray having a plane attached to the flip ladder from a stowed position where the tray plane is essentially parallel with the ladder to an opened position where the tray plane is essentially parallel with the surface. There is the step of moving the flip ladder from the stepladder configuration to the straight configuration which causes the tray to move automatically into the stowed position.
摘要翻译：靠在表面上的攀爬装置包括能够在直线配置和梯形结构之间移动的翻转梯。该装置包括托盘，该托盘具有附接到翻盖梯的平面，该平面与翻转梯一起在直立构型之间移动，托架平面基本上与梯子处于收起位置平行;梯形结构，其中托盘平面基本上与表面处于打开位置。一种攀爬方法包括在直式构型和梯形结构之间移动翻转梯的步骤。有一个步骤是将托盘平面与梯子基本上平行的收纳位置移动到平台上，托盘平面基本上与表面平行。将梯子从梯形结构移动到直线构型的步骤是使托盘自动移动到收起位置。

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