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31. 发明授权

US07048094B2 Extending ladder and associated manufacturing methods 有权
标题翻译：扩展梯子和相关制造方法
公开(公告)号：US07048094B2
公开(公告)日：2006-05-23
申请号：US11061390
申请日：2005-02-18
申请人： Mitchell I. Kieffer , Wang Kuo Hua , Craig S. Aizman
发明人： Mitchell I. Kieffer , Wang Kuo Hua , Craig S. Aizman
IPC分类号： E06C1/00 , E06C5/04 , F16B7/10
CPC分类号： E06C1/125 , E06C7/06 , E06C7/083 , E06C7/088 , Y10T403/32467
摘要： Extending ladders and associated manufacturing methods are disclosed. A ladder in accordance with an exemplary embodiment of the present invention comprises a plurality of rung units, each rung unit including a left column, a right column, and a rung extending between the left column and the right column. The ladder may include a first column assembly including a first column and a ring coupled to the first column proximate a distal end thereof, and a second column assembly including a second column and a sleeve coupled to the second column proximate a proximal end thereof. The second column being at least partially disposed within a lumen defined by an internal surface of the first column. The sleeve includes an external guiding surface for contacting the internal surface of the first column and the ring includes an internal guiding surface for contacting an exterior surface of the second column.
摘要翻译：披露了梯子和相关的制造方法。根据本发明的示例性实施例的梯子包括多个梯级单元，每个梯级单元包括左列，右列和在左列和右列之间延伸的梯级。梯子可以包括第一柱组件，其包括第一柱和耦合到靠近其远端的第一柱的环;以及第二柱组件，其包括第二柱和在其近端附近联接到第二柱的套筒。第二列至少部分地设置在由第一列的内表面限定的内腔内。套筒包括用于接触第一柱的内表面的外部引导表面，并且环包括用于接触第二柱的外表面的内部引导表面。

32. 发明授权

US07036633B2 Quick release for ladder levelers 有权
标题翻译：梯子矫直机的快速释放
公开(公告)号：US07036633B2
公开(公告)日：2006-05-02
申请号：US10697674
申请日：2003-10-29
申请人： Philip F. Lanzafame
发明人： Philip F. Lanzafame
IPC分类号： E06C1/00 , F16M11/24
CPC分类号： E06C1/34 , E06C1/397 , E06C7/14 , E06C7/16 , E06C7/183 , E06C7/44
摘要： A quick release ladder leveler attachment system. So that a leveler may be mounted or released from the rails of a ladder quickly and without requiring the use of tools, a leveler attachment structure is added to the lower outer surface of the ladder rails. It may be integrated with the ladder rails or attached to ladder rails with bolts or rivets. The attachment structures include surfaces that engagingly mate with mounting structures on the leveler. The attachment and mating structures may be a keyhole slot and a knob. A spring catch may retain the leveler in place and a locking pin may be added to ensure safety.
摘要翻译：快速释放梯子矫直机附件系统。因此，可以在不需要使用工具的情况下快速地将升降机从梯子的轨道上安装或释放，将平整机附接结构添加到梯子轨道的下部外表面。它可以与梯子轨道集成，或者用螺栓或铆钉连接到梯子轨道。附接结构包括与矫直机上的安装结构啮合地配合的表面。附件和配合结构可以是锁眼槽和旋钮。弹簧扣可以将矫平器保持在适当的位置，并且可以添加锁定销以确保安全。

33. 发明授权

US06997282B1 Adjustable ladder 失效
标题翻译：可调梯
公开(公告)号：US06997282B1
公开(公告)日：2006-02-14
申请号：US10790427
申请日：2004-03-02
申请人： Robert L. Sharp , Judith J. Sharp
发明人： Robert L. Sharp , Judith J. Sharp
IPC分类号： E06C1/00 , E04G1/00 , E04G3/08
CPC分类号： E06C7/44 , E06C1/39 , E06C7/081 , E06C7/14
摘要： A ladder is adjustable in a plurality of planes so a wide variety of sloped surfaces can be accommodated. The ladder includes non-slip surfaces on the steps and a paint can holder that can accommodate a one gallon paint can.
摘要翻译：梯子可在多个平面中调节，因此可容纳多种倾斜的表面。梯子包括台阶上的防滑表面和可容纳一加仑油漆罐的油漆罐支架。

34. 发明申请

US20060027423A1 Mobile scaffolding braking system 失效
标题翻译：移动脚手架制动系统
公开(公告)号：US20060027423A1
公开(公告)日：2006-02-09
申请号：US10710427
申请日：2004-07-09
申请人： Steven Wyse , James Wyse
发明人： Steven Wyse , James Wyse
IPC分类号： E06C1/00
CPC分类号： E06C1/39 , E04G1/24 , E04G1/28 , E04G2001/244 , E04G2001/305 , E06C1/397
摘要： A mobile scaffold (10) having bi-axially rotatable casters (22-28) and including brake assemblies (30 and 32) associated with the casters (22-28) is disclosed. The inventive brake assemblies (30,32) enable an elevated worker to selectively control the mobility of the scaffold (10) and each broadly includes shiftable brake stop subassemblies (74 and 76), a brake housing (72) adjustably connected to a respective scaffold frame (12,14) and shiftably connected to the brake stop subassemblies (74,76), and an actuator (78) adjustably connected to the housing (72) and configured to shift the brake stop subassemblies (74,76) into and out of braking positions. When in the braking position, the brake stop subassemblies (74,76) prevent the respective casters (22-28) from rotating about both axes. The actuator includes cables (180,182) for interconnecting brake stop subassembly and the handle in one embodiment and a plunger (308,406) in other embodiments. Preferred alternative embodiments are disclosed that include pivotal linkage subassemblies (328,430) for intercommunicating the plunger and the brake stops.
摘要翻译：公开了一种具有双轴可旋转脚轮（22-28）并且包括与脚轮（22-28）相关联的制动组件（30和32））的移动式脚手架（10）。本发明的制动组件（30,32）使得升高的工作人员能够选择性地控制脚手架（10）的移动性，并且每个广泛地包括可移动的制动停止子组件（74和76），可调节地连接到相应支架的制动器壳体（72）框架（12,14）并且可移动地连接到制动停止组件（74,76），以及致动器（78），可调节地连接到壳体（72）并且构造成将制动止动组件（74,76）移入和移出的制动位置。当制动位置时，制动止动组件（74,76）防止相应的脚轮（22-28）围绕两个轴线旋转。致动器包括用于在一个实施例中用于互连制动止动子组件和把手的电缆（180,182），在其它实施例中包括柱塞（308,406）。公开了优选的替代实施例，其包括用于使柱塞和制动器止动件相互连通的枢转连杆组件（328,430）。

35. 发明申请

US20050284701A1 Step stool with elevated tray 有权
标题翻译：带高架托盘的步粪
公开(公告)号：US20050284701A1
公开(公告)日：2005-12-29
申请号：US10857331
申请日：2004-05-28
申请人： William Gibson , Paul Meeker
发明人： William Gibson , Paul Meeker
IPC分类号： A47C12/00 , E06C1/00 , E06C1/387 , E06C1/393 , E06C7/14
CPC分类号： A47C12/00 , E06C1/005 , E06C1/387 , E06C1/393 , E06C7/14
摘要： A foldable step stool includes pivotable front and rear leg units and steps coupled to the front leg unit. A utility tray pivots relative to the front leg unit.
摘要翻译：可折叠的踏板包括可枢转的前腿和后腿单元以及联接到前腿单元的台阶。公用托盘相对于前腿单元枢转。

36. 发明申请

US20050269159A1 Telescopic stepladder 审中-公开
标题翻译：伸缩梯子
公开(公告)号：US20050269159A1
公开(公告)日：2005-12-08
申请号：US10862961
申请日：2004-06-07
申请人： Cho Lin
发明人： Cho Lin
IPC分类号： E06C1/00 , E06C1/18 , E06C1/22 , E06C7/06
CPC分类号： E06C7/083 , E06C1/18 , E06C1/22 , E06C7/06
摘要： Either frame of a telescopic stepladder comprises a support section, one or more sliding sections, a plurality of locking mechanisms each disposed in either locking portion of two sections and in one embodiment including a fastener adapted to fasten the side rail of one section and the side rail of the other section together, and a lower spring depressible detent adapted to lock both sections. Pushing the braces upward, moving both frames toward each other, unfastening the fasteners, unlocking the detents, and sliding down the sliding sections to a limit will retract the sliding sections with respect to the support sections or the retracted sliding sections.
摘要翻译：可伸缩梯子的任一框架包括支撑部分，一个或多个滑动部分，多个锁定机构，每个锁定机构设置在两个部分的任一个锁定部分中，并且在一个实施例中包括紧固件，该紧固件适于紧固一个部分的侧轨和侧面一起的另一部分的轨道，以及适于锁定两个部分的下弹簧可压下的制动器。向上推动支架，将两个框架朝向彼此移动，松开紧固件，解锁棘爪，并将滑动部分滑动至极限将相对于支撑部分或缩回的滑动部分缩回滑动部分。

37. 发明授权

US06932194B1 Safety rail for scaffolding 失效
标题翻译：脚手架安全导轨
公开(公告)号：US06932194B1
公开(公告)日：2005-08-23
申请号：US10767746
申请日：2004-01-30
申请人： Gary Chipman
发明人： Gary Chipman
IPC分类号： A47L3/02 , E04G1/28 , E04G1/34 , E04G5/14 , E06C1/00 , E06C7/18 , E04G1/16
CPC分类号： E04G1/28 , E04G1/34 , E04G5/14 , E04G2001/242
摘要： A first embodiment of a safety rail for a folding scaffolding cart comprises a single hollow metal tube having two longitudinal ends and shaped to have three smooth 90 degree bends to fit diagonal posts of a folding scaffold. The portable scaffolding cart is a folding platform supported by a rectangular framework having four vertical tube supports with one support tube at each corner. Each support tube has lockable wheels. The vertical supports extend above the platform. The safety rail of the platform connects in an overlapping arrangement to the supports. Alternatively, self-tapping screw fasteners can secure the safety rail. The safety rail is a single shaped tube. Three smooth 90 degree bends in the safety rail allow it to extend upward from a first support, around the perimeter of the platform and back down to a diagonal second support. The safety rail is circular in cross-section, and has a slightly larger diameter than the diameter of the scaffold posts such that each longitudinal end is slotted and sleeved over the first and second diagonal scaffold supports and optionally secured by fasteners. A second embodiment of a safety rail is U-shaped to fit the rear posts of the folding scaffold cart.
摘要翻译：用于折叠式脚手架的安全轨道的第一实施例包括具有两个纵向端部并且成形为具有三个平滑的90度弯曲以适合折叠脚手架的对角柱的单个中空金属管。便携式脚手架是由矩形框架支撑的折叠平台，该矩形框架具有四个垂直管支架，每个拐角处具有一个支撑管。每个支撑管都有可锁定的轮子。垂直支架在平台上方延伸。平台的安全轨道以重叠的布置连接到支撑件。或者，自攻螺丝紧固件可以固定安全导轨。安全导轨是单管。安全轨道上的三个平滑的90度弯曲使其能够从第一支撑件向上延伸，围绕平台的周边并且向下延伸到对角线的第二支撑件。安全导轨的横截面为圆形，并且具有比支架柱的直径稍大的直径，使得每个纵向端部开槽并套在第一和第二对角架构支架上并且可选地通过紧固件固定。安全轨道的第二实施例是U形以适合折叠式脚手架的后柱。

38. 发明申请

US20050161288A1 Adjustable leg for stilts and the like 有权
标题翻译：高脚凳等可调腿
公开(公告)号：US20050161288A1
公开(公告)日：2005-07-28
申请号：US10763547
申请日：2004-01-23
申请人： Timothy Florio , Elvin Jensen
发明人： Timothy Florio , Elvin Jensen
IPC分类号： A63B25/00 , B25H1/16 , E04G5/02 , E06C1/00 , E06C7/00 , E06C7/42 , F16M11/24
CPC分类号： A63B25/00 , B25H1/16 , F16M11/26 , F16M2200/028 , F16M2200/08
摘要： A quick action lock for vertically adjustable legs of a stilt or workbench utilized by construction workers, as for example, installers of wallboard. The lock includes a pair of horizontally aligned squeeze spring fingers completely positioned within the confines of the telescoping struts of the legs for biasing a pair of stop pegs outwardly into alignable holes formed in such struts.
摘要翻译：用于建筑工人使用的高跷或工作台的垂直可调节腿的快速动作锁，例如墙板的安装者。该锁包括一对水平对准的挤压弹簧指，其完全定位在腿的伸缩支柱的限制内，用于将一对止动栓向外偏压成在该支柱中形成的可对准孔。

39. 发明申请

US20050145437A1 Light weight ladder systems and methods 有权
公开(公告)号：US20050145437A1
公开(公告)日：2005-07-07
申请号：US11073321
申请日：2005-03-04
申请人： Newell Moss
发明人： Newell Moss
IPC分类号： E06C1/32 , E06C7/08 , E06C1/00
CPC分类号： E06C7/081 , E06C1/32 , E06C7/084 , E06C7/085
摘要： A method for manufacturing a rail for a ladder. The method may include pultruding in a longitudinal direction, a rail having a selected cross-sectional shape. The rail may then be cut to a predetermined length at a distal end. A force may be applied, in a lateral direction, to the rail to form a curvature therein. The curvature may be characterized by a flared portion, a straight portion, and a curved region providing the transition therebetween. The rail may be held at the desired curvature for a time selected for the rail to take on the curvature substantially permanently. The force may then be removed and the rail may be assembled into a ladder.

40. 发明申请

US20050121261A1 Adjustable stepladders and related methods 审中-公开
标题翻译：可调梯子和相关方法
公开(公告)号：US20050121261A1
公开(公告)日：2005-06-09
申请号：US10976443
申请日：2004-10-29
申请人： N. Moss , Jack Bowers
发明人： N. Moss , Jack Bowers
IPC分类号： E06C1/22 , E06C1/39 , E06C7/42 , E06C1/00
CPC分类号： E06C1/39 , E06C1/22 , E06C7/42 , E06C7/423
摘要： An adjustable stepladder is provided including a first set of rails, having a plurality of rungs coupled therebetween, and a second set of rails, also having a plurality of rungs disposed therebetween, slidably coupled with the first set of rails. A single support leg is hingedly coupled with one set of rails and may include a telescoping structure. The support leg may include a base having a plurality of feet wherein the base is integrally formed with a structural member of the support leg. In another embodiment, a removable base may be coupled to a structural member of the support leg such that differently configured bases may be attached to the support leg. The stepladder may, thus be adjustable in terms of height as well as in terms of a support base which will be in contact with the ground or other supporting surface when the ladder is in use.
摘要翻译：提供了一种可调节的梯子，包括第一组轨道，其具有联接在其间的多个梯级，以及第二组轨道，其还具有设置在其间的多个梯级，其可滑动地与第一组导轨联接。单个支撑腿与一组轨道铰接地联接并且可以包括伸缩结构。支撑腿可以包括具有多个脚的基部，其中基部与支撑腿的结构构件整体形成。在另一个实施例中，可拆卸底座可以联接到支撑腿的结构构件，使得不同配置的底座可以附接到支撑腿。因此，梯子可以在高度方面以及当使用梯子时将与地面或其他支撑表面接触的支撑基座进行调节。

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