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公开(公告)号：US11933503B2
公开(公告)日：2024-03-19
申请号：US17724458
申请日：2022-04-19
IPC分类号： F24F1/0011 , B60H1/00 , F24F1/0022 , F24F5/00 , F24F11/76
CPC分类号： F24F1/0011 , B60H1/00014 , F24F1/0022 , F24F5/001 , F24F11/76
摘要： A facility-based dual-purpose conditioned air blower system includes a heat exchange unit, a diverter apparatus, and a centrifugal blower. The heat exchange unit includes an ambient air inlet, heat exchange elements, and a conditioned air outlet. The diverter apparatus includes a diverter inlet fluidly coupled to the conditioned air outlet of the heat exchange unit, a first diverter outlet to the facility, and a second diverter outlet. The diverter apparatus is moveable between a first position wherein the first diverter outlet is closed and the second diverter outlet is open, and a second position wherein the first diverter outlet is open and the second diverter outlet is closed. The centrifugal blower includes a blower inlet fluidly coupled to the second diverter outlet of the diverter apparatus, and a blower outlet positioned to ventilate a trailer interior with conditioned air from the conditioned air outlet of the heat exchange unit.
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公开(公告)号：US11260834B2
公开(公告)日：2022-03-01
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：US20150075731A1
公开(公告)日：2015-03-19
申请号：US14483799
申请日：2014-09-11
申请人： DL Manufacturing
摘要： An impact resistant sectional door includes a plurality of interlockingly coupled extruded thermoplastic polymer elongated panels. An elongated panel edge includes a channel and an adjacent edge of an adjacent panel includes a protrusion. The protrusion nests in the channel. Each end cap is rotatingly coupled to an adjacent end cap by a door hinge. The roller is adapted to ride in a door track and to pivot about a rolling plane of the roller. An impact load applied to one or more elongated panels causes one or more of the elongated panels to elastically deform at a spring rate in response to the impact and one or more of the protrusions to slide away from one or more of the channels. The impact resistant sectional door remains substantially undamaged. A method for protecting a sectional door from an impacting force is also described.
摘要翻译： 耐冲击分段门包括多个互锁的挤压热塑性聚合物细长板。 细长的面板边缘包括通道，相邻面板的相邻边缘包括突起。 突起嵌入通道。 每个端盖通过门铰链旋转地联接到相邻的端盖。 辊子适于骑在门轨道中并围绕辊的滚动平面枢转。 施加到一个或多个细长板的冲击载荷导致一个或多个细长板响应于冲击而弹性变形，并且一个或多个突起能够远离一个或多个通道滑动。 耐冲击分段门基本上没有损坏。 还描述了一种用于保护分段门免受冲击力的方法。
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公开(公告)号：US20220333789A1
公开(公告)日：2022-10-20
申请号：US17724458
申请日：2022-04-19
申请人： DL Manufacturing Inc
IPC分类号： F24F1/0011 , F24F1/0022 , F24F5/00 , F24F11/76 , B60H1/00
摘要： A facility-based dual-purpose conditioned air blower system includes a heat exchange unit, a diverter apparatus, and a centrifugal blower. The heat exchange unit includes an ambient air inlet, heat exchange elements, and a conditioned air outlet. The diverter apparatus includes a diverter inlet fluidly coupled to the conditioned air outlet of the heat exchange unit, a first diverter outlet to the facility, and a second diverter outlet. The diverter apparatus is moveable between a first position wherein the first diverter outlet is closed and the second diverter outlet is open, and a second position wherein the first diverter outlet is open and the second diverter outlet is closed. The centrifugal blower includes a blower inlet fluidly coupled to the second diverter outlet of the diverter apparatus, and a blower outlet positioned to ventilate a trailer interior with conditioned air from the conditioned air outlet of the heat exchange unit.
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公开(公告)号：US20170008498A1
公开(公告)日：2017-01-12
申请号：US14793668
申请日：2015-07-07
申请人： DL Manufacturing
IPC分类号： B60T3/00
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.
摘要翻译： 车轮轴承座包括被构造成由车辆轮胎接合的凸起的负载表面。 车辆轮胎施加在车轮轴承座上的合力可以以与接触角θ的凸面垂直的矢量表示。 由于动态载荷力将车辆推入车轮轴承座，所以轮胎将骑自行车轴承的凸面，从而增加接触角θ。 对于大于45°的接触角，合力的垂直分量将增加，并且水平分量将减小。 净效果是，在动态载荷下，轴承座将倾向于自身向下锚定，而不是向后滑动或翻倒。 还公开了一种固定在车轮轴承座上的轴承座提取器。 旋转提取器手柄依次旋转提取器脚，该提升器脚枢转并提升车轮，从而离开地面以脱离轴承座。
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公开(公告)号：US12037210B2
公开(公告)日：2024-07-16
申请号：US16056473
申请日：2018-08-06
IPC分类号： B65G69/00 , F16F1/377 , F16F1/44 , G10K11/162
CPC分类号： B65G69/008 , B65G69/001 , F16F1/377 , F16F1/44 , G10K11/162 , F16F2224/0208 , F16F2224/025 , F16F2228/066 , F16F2228/14 , F16F2236/04
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：US20220185243A1
公开(公告)日：2022-06-16
申请号：US17683189
申请日：2022-02-28
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. The convex wheel chock may further include a concave extension surface joined to an upper end of the convex surface.
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公开(公告)号：US20200324987A1
公开(公告)日：2020-10-15
申请号：US16306548
申请日：2017-07-24
IPC分类号： B65G69/00
摘要： A head pad assembly for a loading dock includes a frame structure secured to a loading dock wall and a head pad portion coupled to the frame structure. The head pad portion is positioned above and extends across an opening to the loading dock, and is moveable between an upper position and a lower position. The head pad portion includes a compressible pad. The upper position of the head pad is not configured to provide a sealing function against a truck or trailer, and the lower position is configured to engage and seal the compressible pad against a roof surface of the truck or trailer.
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公开(公告)号：US09500024B2
公开(公告)日：2016-11-22
申请号：US14483799
申请日：2014-09-11
申请人： DL Manufacturing
摘要： An impact resistant sectional door includes a plurality of interlockingly coupled extruded thermoplastic polymer elongated panels. An elongated panel edge includes a channel and an adjacent edge of an adjacent panel includes a protrusion. The protrusion nests in the channel. Each end cap is rotatingly coupled to an adjacent end cap by a door hinge. The roller is adapted to ride in a door track and to pivot about a rolling plane of the roller. An impact load applied to one or more elongated panels causes one or more of the elongated panels to elastically deform at a spring rate in response to the impact and one or more of the protrusions to slide away from one or more of the channels. The impact resistant sectional door remains substantially undamaged. A method for protecting a sectional door from an impacting force is also described.
摘要翻译： 耐冲击分段门包括多个互锁的挤压热塑性聚合物细长板。 细长的面板边缘包括通道，相邻面板的相邻边缘包括突起。 突起嵌入通道。 每个端盖通过门铰链旋转地联接到相邻的端盖。 辊子适于骑在门轨道中并围绕辊的滚动平面枢转。 施加到一个或多个细长板的冲击载荷导致一个或多个细长板响应于冲击而弹性变形，并且一个或多个突起能够远离一个或多个通道滑动。 耐冲击分段门基本上没有损坏。 还描述了一种用于保护分段门免受冲击力的方法。
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公开(公告)号：US09403649B2
公开(公告)日：2016-08-02
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，以及接合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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