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81. 外观设计

USD410375S Hose reel casing 失效
公开(公告)号：USD410375S
公开(公告)日：1999-06-01
申请号：US83554
申请日：1998-02-13
申请人： Michael S. Yacobi , Thomas W. Parker , Lawrence D. Gibbs , Hans Hjort
设计人： Michael S. Yacobi , Thomas W. Parker , Lawrence D. Gibbs , Hans Hjort

82. 发明申请

US20220010619A1 Strand Grab, Ladder and Method 有权
公开(公告)号：US20220010619A1
公开(公告)日：2022-01-13
申请号：US17367219
申请日：2021-07-02
申请人： Thomas W. Parker , Adrien Covington , Claire Armenoff
发明人： Thomas W. Parker , Adrien Covington , Claire Armenoff
IPC分类号： E06C1/36 , E06C7/48
摘要： A strand grab for a ladder having a hook assembly, a gate assembly engaged with the hook assembly and a biasing spring. The biasing spring produces a return biasing force which is less than a weight force of the ladder when the hook assembly rests on the strand allowing the gate assembly to close with the hook assembly and squeeze the strand between the gate assembly and the hook assembly in a closed position and hold the ladder in place with the strand. A ladder for use with a strand having a first rail and a second rail. The first rail has a first strand grab directly attached to the first rail and the second rail has a second stand grab directly attached to the second rail. A method for using a ladder. A method for making a ladder.

83. 发明申请

US20210198945A1 Ladder with Box Rails Having a Collar and Method 有权
公开(公告)号：US20210198945A1
公开(公告)日：2021-07-01
申请号：US16795171
申请日：2020-02-19
申请人： Thomas W. Parker
发明人： Thomas W. Parker
IPC分类号： E06C7/08
摘要： A ladder having a right box rail having an outer web with an outer opening and an inner web with an inner opening. The ladder having a left box rail in parallel and spaced relation with the right box rail. The ladder comprises a hollow collar disposed in between the inner opening of the inner web and the outer opening of the outer web. The collar having a stem having a plurality of segments. The segments separated by slots. The ladder having a first rung attached to the right and left box rails. The first rung having a right end that extends through the outer opening, the collar and the inner opening. A method for using a ladder by a user. A method for forming a ladder.

84. 发明申请

US20170044827A1 Stepladder with Latch Stud and Method 审中-公开
标题翻译：梯子与闩锁螺柱和方法
公开(公告)号：US20170044827A1
公开(公告)日：2017-02-16
申请号：US15341749
申请日：2016-11-02
申请人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
发明人： Thomas W. Parker , Brian Wong-Shui , Devin Lee Moore , Christian M. Otis , Erick E. Rios
IPC分类号： E06C1/387 , A47C12/00 , 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 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部处于打开位置并且形成倒V形并被防止折叠在一起，并且当从所述接合位置与所述第一螺柱脱离，并且允许所述前部和后部一起折叠到所述第一后腿和所述第一前腿平行的关闭位置。定位阶梯的方法。

85. 发明授权

US09097063B2 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：US09097063B2
公开(公告)日：2015-08-04
申请号：US13790779
申请日：2013-03-08
申请人： Thomas W. Parker
发明人： Thomas W. Parker
IPC分类号： E06C5/32 , E06C1/18 , E06C1/32 , E06C1/393
CPC分类号： E06C1/18 , E06C1/32 , E06C1/393 , Y10T29/49
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。

86. 发明申请

US20140190766A1 TUBULAR ACCESS LADDER AND METHOD 有权
标题翻译：管状接触梯和方法
公开(公告)号：US20140190766A1
公开(公告)日：2014-07-10
申请号：US13735554
申请日：2013-01-07
申请人： Thomas W. Parker
发明人： Thomas W. Parker
IPC分类号： E06C9/08 , E06C1/12
CPC分类号： E06C1/125 , E04F11/06 , E04F11/068 , E06C1/12 , 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. A method for accessing a room with a ladder connected to a ceiling including the steps of moving the ladder to a fully extended position subject to an increasingly active force to counterbalance the weight of the ladder as it extends. There is the step of retracting the ladder into a retracted position in the ceiling.
摘要翻译：进入梯子包括连接在一起以在延伸位置和缩回位置之间伸缩的多个部分，该延伸位置和缩回位置具有增加的反作用力，以在它们延伸时平衡部分的重量。一种用于连接天花板的梯子进入房间的方法，其特征在于包括步骤：梯子运动到达完全延伸的位置，受到越来越大的作用力，以抵抗梯子在其延伸时的重量。有一个步骤是将梯子缩回到天花板的缩回位置。

87. 发明授权

US08720645B2 Step stool and method 有权
标题翻译：步粪和方法
公开(公告)号：US08720645B2
公开(公告)日：2014-05-13
申请号：US13941137
申请日：2013-07-12
申请人： Thomas W. Parker
发明人： Thomas W. Parker
IPC分类号： E06C1/00
CPC分类号： E06C1/383 , E06C1/387 , E06C1/39 , E06C1/393 , Y10T29/49716
摘要： A folding step stool includes a front rail assembly. The step stool includes a rear rail assembly, pivotally connected to the front rail assembly, having a crossbar. The step stool includes a step pivotally attached to the front rail assembly having notches which fit over the crossbar when the stool is in an open position. The step stool includes a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar. The linkage assembly compresses to allow the notches to fit over the crossbar and the linkage assembly exerting a force to maintain the crossbar in the notches when the stool is in the open position. A method for securing a step stool includes the steps of moving the notches of a step against a crossbar of a rear rail assembly pivotally connected to a front rail assembly of the step stool. There is the step of compressing a linkage assembly pivotally and fixedly attached to the step and pivotally and fixedly attached to the crossbar to allow the notches to fit over the crossbar. There is the step of exerting a force with the linkage assembly to maintain the crossbar in the notches when the stool is in the open position.
摘要翻译：折叠式凳子包括前导轨组件。台阶凳包括枢转地连接到前导轨组件的后导轨组件，具有横杆。台阶凳包括当凳子处于打开位置时枢转地附接到前导轨组件的台阶，其具有配合在横杆上的凹口。台阶凳包括枢转地并且固定地附接到台阶并且可枢转地并且固定地附接到横杆的连杆组件。连杆组件压缩以允许凹口配合在横梁上，并且当凳子处于打开位置时，连杆组件施加力以将横杆保持在凹口中。一种用于固定台阶凳的方法包括以下步骤：使步骤的凹口移动到枢转地连接到台阶凳的前导轨组件的后轨组件的横杆上。压缩连杆组件的步骤是可枢转地并且固定地附接到台阶上，并且可枢转地并且固定地附接到横杆上，以允许凹口配合在横杆上。当凳子处于打开位置时，存在使用连杆组件施加力以将横杆保持在凹口中的步骤。

88. 发明授权

US08490750B2 Energy absorbing lifeline systems 有权
标题翻译：吸收能量救生系统
公开(公告)号：US08490750B2
公开(公告)日：2013-07-23
申请号：US12391721
申请日：2009-02-24
申请人： Ross Balquist , Thomas W. Parker
发明人： Ross Balquist , Thomas W. Parker
IPC分类号： A62B1/08 , A62B35/00
CPC分类号： A62B35/0093
摘要： A lifeline system includes a lifeline and a hub around which the lifeline is coiled. The hub deforms to absorb energy at a predetermined level of force exerted thereon by the lifeline. For example, the hub can be deformable to absorb energy so that a peak fall arrest force in a drop test of the lifeline system with a 220 pound mass attached to the lifeline over a distance of up to 6.56 feet is not more than 1900 pounds. In several embodiments, the peak fall arrest force is no more than 1500 pounds or no more than 1349 pounds.
摘要翻译：生命线系统包括生命线和围绕生命线盘绕的集线器。轮毂变形以在由救生绳施加在其上的预定水平的力下吸收能量。例如，轮毂可以变形以吸收能量，使得在具有高达6.56英尺的距离上连接到救生索的220磅质量的救生索系统的跌落测试中的峰值下降停止力不超过1900磅。在几个实施例中，峰值下降停止力不超过1500磅或不大于1349磅。

89. 发明授权

US08397870B2 Flip ladder with tray and method 有权
公开(公告)号：US08397870B2
公开(公告)日：2013-03-19
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： E06C5/32
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.

90. 发明授权

US08276712B2 Systems for use with multiple safety devices and connectors for use therewith 有权
标题翻译：与多个安全装置和连接器一起使用的系统
公开(公告)号：US08276712B2
公开(公告)日：2012-10-02
申请号：US12392085
申请日：2009-02-24
申请人： Hugh Smith , Douglas Mercier , Ross Balquist , Brian Montgomery , Thomas W. Parker , Preston L. Anderson
发明人： Hugh Smith , Douglas Mercier , Ross Balquist , Brian Montgomery , Thomas W. Parker , Preston L. Anderson
IPC分类号： A62B1/10
CPC分类号： A62B35/0037 , A62B35/0093 , Y10T24/45435 , Y10T29/49947
摘要： A system includes a support including an extending rigid member and a first attachment at a first position on the rigid member to which a first self-retracting lifeline is attached. The first self-retracing lifeline includes a first housing from which a first lifeline exits. The first housing is movable relative to the rigid member. The system also includes at least a second attachment at a second position on the rigid member to which a second self-retracing lifeline. The second self-retracting lifeline includes a second housing from which a second lifeline exits. The second housing is movable relative to the rigid member independent of the movement of the first housing. The first position is spaced from the second position. The system further includes a connector attached to the frame to connect the frame to an article (for example, a safety harness such as a full body safety harness) worn by a user.
摘要翻译：系统包括支撑件，其包括延伸的刚性构件和在刚性构件上的第一位置处的第一附接件，第一自动回缩式救生索被附接到该支撑件。第一自动回程生命线包括第一壳体，第一救生绳从该第一壳体离开。第一壳体可相对于刚性构件移动。所述系统还包括在刚性构件上的第二位置处的至少第二附接件，第二自动回溯救生索。第二自动回缩式救生索包括第二壳体，第二救生索从该第二壳体出来。第二壳体可相对于刚性构件移动，而与第一壳体的运动无关。第一位置与第二位置间隔开。该系统还包括连接到框架的连接器，用于将框架连接到由用户佩戴的物品（例如安全带，例如全身安全带）上。

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