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公开(公告)号：US11230448B2
公开(公告)日：2022-01-25
申请号：US16241978
申请日：2019-01-07
摘要： A head pad assembly includes a plurality of head pad subassemblies pivotably joined along their lateral edge so as to allow vertical rotation of one subassembly relative to an adjoining subassembly when the head pad is actuated. At least one head pad subassembly includes a stiff upper backing portion and a lower compressible pad. The head pad assembly further includes one or more flexible hinges coupling the plurality of head pad subassemblies along their lateral edges to effect the vertical rotation. The head pad assembly further includes an actuator assembly configured to raise and lower the plurality of head pad subassemblies between an upper position and a lower, sealing position.
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公开(公告)号：US10370871B2
公开(公告)日：2019-08-06
申请号：US15260313
申请日：2016-09-08
申请人： DL Manufacturing
发明人： Kristian P. Garrow , Donald L. Metz
摘要： A lock assembly for an overhead door includes a lock bar and a spring clip receiver. The lock bar is configured to mount on and travel with the overhead door, and includes a track cover portion configured to encircle an overhead door guide track. The lock bar further includes a latch portion extending from the track cover portion. The spring clip receiver includes a spring clip configured to receive the latch portion of the lock bar, and a lock receiver having a pass-through hole for a lock shackle so that, when the overhead door is in a closed position, the lock shackle captures both the lock bar and the spring clip receiver to immobilize the overhead door. The lock assembly may further include an alignment bracket coupled to the lock bar defining an aperture configured to align with the pass-through hole in the lock receiver when the overhead door is in a closed position.
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公开(公告)号：US20190152449A1
公开(公告)日：2019-05-23
申请号：US16247542
申请日：2019-01-14
摘要： A convex wheel chock includes a contact surface generally facing a vehicle tire, a support element connected to the contact surface to transfer a tire load from the contact surface, and a base portion coupled to the support element to provide structural support to the wheel chock and transfer the tire load to a ground surface. The contact surface includes a convex surface to be engaged by the tire, extending generally upwards from the base portion to the support element, and a concave extension surface joined to an upper end of the convex surface.
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公开(公告)号：US20170089099A1
公开(公告)日：2017-03-30
申请号：US15260313
申请日：2016-09-08
申请人： DL Manufacturing
发明人： Kristian P. Garrow , Donald L. Metz
CPC分类号： E05B65/0021 , E05B67/383 , E05B2067/386
摘要： A lock assembly for an overhead door includes a lock bar and a spring clip receiver. The lock bar is configured to mount on and travel with the overhead door, and includes a track cover portion configured to encircle an overhead door guide track. The lock bar further includes a latch portion extending from the track cover portion. The spring clip receiver includes a spring clip configured to receive the latch portion of the lock bar, and a lock receiver having a pass-through hole for a lock shackle so that, when the overhead door is in a closed position, the lock shackle captures both the lock bar and the spring clip receiver to immobilize the overhead door. The lock assembly may further include an alignment bracket coupled to the lock bar defining an aperture configured to align with the pass-through hole in the lock receiver when the overhead door is in a closed position.
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公开(公告)号：US20140265071A1
公开(公告)日：2014-09-18
申请号：US14205753
申请日：2014-03-12
申请人： DL Manufacturing
IPC分类号： B65G69/00
CPC分类号： B65G69/001
摘要： A loading dock bumper assembly for securement to a loading dock wall includes a dock bumper and a mounting provision coupled to the bumper. The dock bumper includes a mounting portion, an impact-absorbing portion opposing the mounting portion, and a deformable spanning portion joining the mounting portion and the impact-absorbing portion. The mounting portion is adapted for coplanar alignment with the loading dock wall, the impact-absorbing portion is adapted for direct contact with a rear frame of a vehicle, and the bumper defines an internal cavity that is filled with a fluid. A mounting provision is coupled to the bumper. The mounting provision is adapted for installation to the loading dock wall. The loading dock bumper assembly further includes a hard stop adapted to retard further deformation of the spanning portion. The hard stop includes a two-piece outer shell to capture and retain a resilient, deformable inner member.
摘要翻译： 用于固定到装载坞墙的装载坞保险杠组件包括底座保险杠和联接到保险杠的安装配置。 码头保险杠包括安装部分，与安装部分相对的冲击吸收部分，以及连接安装部分和冲击吸收部分的可变形跨接部分。 安装部分适于与装载坞壁共同对准，冲击吸收部分适于与车辆的后框架直接接触，并且保险杠限定了填充有流体的内部空腔。 一个安装配置连接到保险杠。 安装配置适用于安装到装卸坞墙。 装载坞保险杠组件还包括适于阻止跨越部分进一步变形的硬挡块。 硬止动件包括两片外壳，以捕获并保持弹性可变形的内部构件。
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公开(公告)号：US20200063465A1
公开(公告)日：2020-02-27
申请号：US16532462
申请日：2019-08-05
发明人： Kristian P. Garrow , Donald L. Metz
摘要： A lock assembly for an overhead door includes a lock bar and a spring clip receiver. The lock bar is configured to mount on and travel with the overhead door, and includes a track cover portion configured to encircle an overhead door guide track. The lock bar further includes a latch portion extending from the track cover portion. The spring clip receiver includes a spring clip configured to receive the latch portion of the lock bar, and a lock receiver having a pass-through hole for a lock shackle so that, when the overhead door is in a closed position, the lock shackle captures both the lock bar and the spring clip receiver to immobilize the overhead door. The lock assembly may further include an alignment bracket coupled to the lock bar defining an aperture configured to align with the pass-through hole in the lock receiver when the overhead door is in a closed position.
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公开(公告)号：US20190390515A1
公开(公告)日：2019-12-26
申请号：US16013528
申请日：2018-06-20
摘要： A screen door assembly for an opening of loading dock includes a frame having first and second vertical members joined together by first and second horizontal members. The screen door assembly further includes at least one stay element extending along a lateral axis and secured at each end to the respective vertical member. The screen door assembly further includes a screen material, at least one of a top edge or bottom edge of the screen material being secured to the stay element. The screen door assembly is configured for use in the longitudinal clearance gap of a main door guide track, between the main door guide track and an inside wall of the loading dock. The screen door operates independent of the main door, such that both doors can be closed at the same time.
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公开(公告)号：US20190210820A1
公开(公告)日：2019-07-11
申请号：US16241978
申请日：2019-01-07
CPC分类号： B65G69/008 , B65G69/2876
摘要： A head pad assembly includes a plurality of head pad subassemblies pivotably joined along their lateral edge so as to allow vertical rotation of one subassembly relative to an adjoining subassembly when the head pad is actuated. At least one head pad subassembly includes a stiff upper backing portion and a lower compressible pad. The head pad assembly further includes one or more flexible hinges coupling the plurality of head pad subassemblies along their lateral edges to effect the vertical rotation. The head pad assembly further includes an actuator assembly configured to raise and lower the plurality of head pad subassemblies between an upper position and a lower, sealing position.
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公开(公告)号：US20190039841A1
公开(公告)日：2019-02-07
申请号：US16056473
申请日：2018-08-06
IPC分类号： B65G69/00 , F16F1/44 , G10K11/162
摘要： A dock bumper for a loading dock includes a rear mounting plate for use in securing the dock bumper to a loading dock wall, a front contact surface configured to engage a vehicle backing into the loading dock, and an elastomer spring block positioned between the rear mounting plate and the front contact surface. The elastomer spring block includes an elastomeric material defining a pattern of geometric cavities. The geometric cavities are configured to provide a progressive spring rate in a longitudinal direction relative to the loading dock.
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公开(公告)号：US10179572B2
公开(公告)日：2019-01-15
申请号：US14793668
申请日：2015-07-07
申请人： DL Manufacturing
摘要： A wheel chock includes a convex load surface configured to be engaged by a vehicle tire. The resultant force exerted by the vehicle tire on the wheel chock can be expressed as a vector normal to the convex surface, at a contact angle θ. As dynamic loading forces push the vehicle into the wheel chock, the tire rides up the convex surface of the chock, thereby increasing the contact angle θ. For contact angles greater than 45°, the vertical component of the resultant force will increase, and the horizontal component will decrease. The net effect is that, under dynamic loading, the chock will tend to anchor itself downwards rather than slide backwards or tip over. Also disclosed is a chock extractor secured to the wheel chock. Rotating the extractor handle in turn rotates an extractor foot, which pivots and lifts the wheel chock off the ground to disengage the chock.
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