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公开(公告)号：US20230131374A1
公开(公告)日：2023-04-27
申请号：US17702685
申请日：2022-03-23
IPC分类号： E06C7/42
摘要： A ladder stabilizer where respective ladder rails 12 and 13 pass through rail clamp sections 14 and 15 so that the feet 16 and 17 of the ladder engage the ground. The stabilizer has feet 18 and 19 which also engage the ground. These are at the end of a rail providing respective outriggers 20 and 21 so that the stabilizing forces and moments are across the bottom of the ladder. Clamps make the whole stabilizer and ladder rigid. Rails 12 and 13 are clamped in the clamp sections 14 and 15 which are in turn clamped along the outriggers, the feet are also clamped in height adjustable position. Hand operable screw clamps 22, 23, 24, 25, 26 and 27 permit adjustment so that the legs and rails and clamp sections may be positioned to best stabilize the ladder 11.
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公开(公告)号：US20230023715A1
公开(公告)日：2023-01-26
申请号：US17863134
申请日：2022-07-12
IPC分类号： E06C7/42
摘要： A ladder stabilizer for step ladders and extension ladders. The ladder stabilizer is collapsible for storage. Additionally, the ladder stabilizer includes legs that are adjustable in length and pivotally secured to a rigid lateral support. The rigid lateral support also carries a step plate secured by a hinge to the lateral support. The step plate provides the point of engagement between the ladder stabilizer and a rung of the ladder.
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公开(公告)号：US20220381089A1
公开(公告)日：2022-12-01
申请号：US17329381
申请日：2021-05-25
申请人： Katherine M. Ferebee
发明人： Katherine M. Ferebee
摘要： The invention is directed to a device that allows a user to enter and exit a bathtub or other apparatus with a relatively high sidewall safely and easily. Particularly, the device comprises first and second sides that can be positioned on either surface of a bathtub sidewall. The first and second sides each include one or more braces that support a plurality of steps that enable a user to climb up one side of the device and down the other. The device can include one or more stabilizers that are sized and shaped to allow a user to securely grab onto as they advance up or down the steps, thereby maintaining balance. Advantageously, the first side can be rotated up and above the second side using hinges or any other rotatable element.
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公开(公告)号：US20220316276A1
公开(公告)日：2022-10-06
申请号：US17848823
申请日：2022-06-24
发明人： Bradley Scott Maxfield , N. Ryan Moss , Brian B. Russell , Benjamin Lynn Cook , Travis Mittanck , Steven S. Miner
摘要： Ladders and ladder components are described herein, including multipurpose and adjustable ladders. In one embodiment, a ladder includes a first assembly having rails and rungs, a second assembly having rails and rungs, and one or more hinges coupling the first and second assemblies together such that the first and second assembly may be positioned relative to one another in at least a position or state and at least a second position or state. A top cap is coupled to the rails of the first assembly, such that when the first and second assemblies are in the first position, the rails of the second assembly do not contact the top cap. When the first and second assemblies are in the second position, each rail of the second assembly is at least partially nested in one of a pair of channels formed in the top cap.
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公开(公告)号：US20220154529A1
公开(公告)日：2022-05-19
申请号：US17524134
申请日：2021-11-11
申请人： William Fink, JR.
发明人： William Fink, JR.
摘要： A safety step ladder is formed of a climb leg and a support leg, and includes a specialized hinging arrangement to attach the support leg to the climb leg at a location below the midpoint of the climb leg such that the top portion of the climb leg somewhat overhangs the support leg. The specialized hinging arrangement is also configured so that the support leg is raised upward when closing against the climb leg (ensuring that in the closed position the support leg does not extend below the climb leg), providing a compact configuration for storage purposes.
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公开(公告)号：US11280133B2
公开(公告)日：2022-03-22
申请号：US15883958
申请日：2018-01-30
申请人： Clint D. Badowski
发明人： Clint D. Badowski
IPC分类号： E06C7/08 , B21C23/00 , C21D1/18 , E06C1/22 , C21D1/84 , C21D9/04 , C22C21/10 , C21D1/613 , C22F1/053 , E06C7/42 , E06C1/12 , E06C1/06 , E06C1/18
摘要： A ladder and a multipurpose ladder whose rungs and rails are made out of 7000 series aluminum alloy and which has a duty rating of at least 250 lbs. A method for producing a ladder. A method for using a ladder.
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公开(公告)号：US20220081972A1
公开(公告)日：2022-03-17
申请号：US17022571
申请日：2020-09-16
申请人： Eugene Haines
发明人： Eugene Haines
摘要： A ladder stabilization assembly for inhibiting a ladder from tipping laterally includes a pair of eyebolts that can each be attached to a respective leg of a ladder. A tube is insertable through each of the eyebolts such that the tube is oriented to extend along a horizontal axis. In this way the tube is aligned with a support surface on which the ladder is standing to inhibit the ladder from tipping laterally.
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公开(公告)号：US11230849B1
公开(公告)日：2022-01-25
申请号：US17219146
申请日：2021-03-31
申请人： Grady F. Smith
发明人： Grady F. Smith
摘要： A lightweight, multi-function scaffold includes an adjustable height platform that slidably mounts between two ladder frames and a plurality of outriggers to increase stability. The outriggers attach to the ladder frames of the scaffold and extend beyond an end of the scaffold in the longitudinal direction to increase the maximum base width. Increasing the maximum base width increases stability in the longitudinal dimension and reduces the risk of tipping the scaffold end over end when a user climbs the ladder frame to access the platform.
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公开(公告)号：US20220010621A1
公开(公告)日：2022-01-13
申请号：US17483568
申请日：2021-09-23
申请人： Steve Dings
发明人： Steve Dings
摘要： A ladder having a first rail having a bottom and a web, a first flange attached to a first end of the web and a second flange attached to a second end of the web. The ladder having a second rail. The ladder having rungs attached to the first rail and second rail upon which a user steps to climb the ladder. The ladder having a foot having a plastic body with a recess which receives the end of the first rail and is positioned about and conforms to the web and the first and second flanges of the first rail. The foot has a plastic base having a top side from which the body extends. The base has an edge positioned about the body with perforations, and a rubber tread disposed along an underside of the base and extending through the perforations and along the edge on the top side of the base to form an overmolded portion of the tread that attaches the tread to the base without any mechanical or other types of fasteners. The rubber tread forms a bond with the underside of the base and the edge on the top side of the base. The foot for a bottom of a rail of a ladder. A method for placing a ladder. A method for producing a foot for a bottom of a rail of a ladder.
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公开(公告)号：US11142949B2
公开(公告)日：2021-10-12
申请号：US16096570
申请日：2017-04-26
发明人： Luhao Leng
摘要： A stretchable ladder, having inner leg bar and outer leg bar, the side edge of the outer leg bar forming an opening. The outer leg bar is sleeved on the inner leg bar, with the inner leg bar and the outer leg bar being relatively slidable. The ladder has a lock structure for locking the inner leg bar and for preventing the inner leg bar from separating from the outer leg bar. The lock structure is disposed at the outer leg bar, and is hookable to the inner leg bar, so as to make the inner leg bar embedded in the outer leg bar.
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