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1. 发明授权

US5440772A Vehicle-activated safety leg control system for a dock leveler assembly 失效
标题翻译：用于船坞矫直机总成的车辆安全腿控制系统
公开(公告)号：US5440772A
公开(公告)日：1995-08-15
申请号：US96775
申请日：1993-07-23
申请人： Scott L. Springer , Norbert Hahn , Michael A. Swessel
发明人： Scott L. Springer , Norbert Hahn , Michael A. Swessel
IPC分类号： B65G69/28 , E01D15/127
CPC分类号： B65G69/2882
摘要： A vehicle-activated support assembly control system is provided which comprises a sensor assembly which senses the position of the vehicle relative to the dock leveler and an actuation assembly which is operatively connected to the support assembly so as to actuate or maintain the support assembly in a retracted position in response to the position of the vehicle. The actuation assembly is adapted to automatically position the support assembly between (1) a retracted or non-supporting position when the vehicle is in close proximity to the loading dock and (2) an active supporting position when the vehicle is greater than a predetermined distance from the loading dock. The control assembly is adapted to activate the support assembly and move the support assembly to the active supporting position as the vehicle pulls away from the dock leveler but before the lip loses contact with the vehicle. The control system deactivates the support assembly when the lip is safely supported on the vehicle bed or is within a predetermined distance in which the lip is capable of engaging the vehicle bed. The control system permits the support assembly to be in the active supporting position when the lip is extended but not safely supported by the vehicle bed.
摘要翻译：提供一种车辆启动的支撑组件控制系统，其包括感测车辆相对于码头调平器的位置的传感器组件和可操作地连接到支撑组件的致动组件，以便将支撑组件驱动或维持在响应于车辆的位置的缩回位置。所述致动组件适于在所述车辆处于靠近所述装载基座时在（1）缩回位置或非支撑位置之间自动定位所述支撑组件，以及（2）当所述车辆大于预定距离时的主动支撑位置从装卸码头。控制组件适于启动支撑组件，并且当车辆从船坞平整机拉开时，但在唇缘与车辆接触之前，将支撑组件移动到主动支撑位置。当唇缘被安全地支撑在车辆床上或者在唇部能够接合车辆床的预定距离内时，控制系统使支撑组件停用。当唇缘延伸但不能安全地被车床支撑时，控制系统允许支撑组件处于主动支撑位置。

2. 发明授权

US06499169B2 Recycle control system for dock levelers 失效
标题翻译：船坞平整机回收控制系统
公开(公告)号：US06499169B2
公开(公告)日：2002-12-31
申请号：US09829675
申请日：2001-04-10
申请人： Norbert Hahn , Mike Jehn , Robert Stoewe , Michael A. Swessel
发明人： Norbert Hahn , Mike Jehn , Robert Stoewe , Michael A. Swessel
IPC分类号： E01D100
CPC分类号： B65G69/2823 , B65G69/2882
摘要： A recycling control system for a dock leveler including a pivotally mounted deck. There is a powered lifting mechanism for raising the deck and a lip pivotally mounted to the deck for movement between pendant and extended positions. The control assembly includes a lip-position member couplable to the lip for movement therewith such that the position of the lip-position member is indicative of lip position. There is a switch couplable to the lifter and operable to a first condition wherein power is provided to the lifter and operable to a second condition wherein power is not provided to the lifter. There is an actuator disposed on the lip-position member for movement relative thereto between at least a first position where the actuator operates the switch to the first condition, and a second position where the switch can be operated to the second condition. The actuator is disposed to move between the first and second positions as the lip moves toward the pendant position.
摘要翻译：一种用于码头调平器的回收控制系统，包括枢转安装的甲板。有一个用于升高甲板的动力提升机构和一个可枢转地安装到甲板上的唇缘，用于在悬挂和伸展位置之间移动。控制组件包括可与唇缘连接的唇形位置构件，用于与其一起运动，使得唇部位置构件的位置指示唇部位置。具有可连接到升降机的开关并且可操作到第一状态，其中向提升器提供动力并且可操作到没有向升降机提供动力的第二状态。设置在唇位置构件上的致动器能够在致动器将开关操作至第一状态的至少第一位置和第二位置之间移动，第二位置可将开关操作至第二状态。致动器设置成随着唇缘朝向悬挂位置移动而在第一和第二位置之间移动。

3. 发明授权

US5040258A Dock leveler with automatic vehicle barrier 失效
标题翻译：底座平整机具有自动车辆障碍
公开(公告)号：US5040258A
公开(公告)日：1991-08-20
申请号：US528031
申请日：1990-05-23
申请人： Norbert Hahn , Michael A. Swessel
发明人： Norbert Hahn , Michael A. Swessel
IPC分类号： B65G69/28
CPC分类号： B65G69/2888
摘要： A dock leveler assembly is provided having an automatic barrier actuated in response to movement of the lip for preventing accidental runoff of material handling vehicles from the loading dock. The assembly includes a ramp for pivotal movement between a stored first position wherein an exposed surface thereof is coplanar with the loading dock platform surface, an upwardly inclined second position, and a declining third position. The lip is operatively connected to a front edge portion of the ramp for movement from a depending position to an outwardly extended cantilevered position. The assembly also includes a barrier unit movable between operative and inoperative modes. When in the operative mode, a segment of the barrier unit automatically projects above the ramp exposed surface and forms a vehicle safety barrier of optimum height.

4. 发明授权

US4744121A Loading dock and hydraulic system therefor 失效
标题翻译：装载码头和液压系统
公开(公告)号：US4744121A
公开(公告)日：1988-05-17
申请号：US17316
申请日：1987-02-20
申请人： Michael A. Swessel , Lynn O. Grunewald , Norbert Hahn
发明人： Michael A. Swessel , Lynn O. Grunewald , Norbert Hahn
IPC分类号： B65G69/22 , B65G69/28 , E01D1/00
CPC分类号： B65G69/2823
摘要： A hydraulic system is provided for a loading dock installation wherein the latter has a plurality of independently operable dock levelers arranged in spaced relation along the loading dock. Each leveler includes a hingedly mounted deck member or ramp and a power unit for actuating the deck member to a predetermined upwardly inclined position from a horizontal cross-traffic position. The hydraulic system is provided with a common source of pressurized hydraulic fluid which is remotely disposed relative to the dock levelers. A primary line extends from the common source to each leveler. An adjustable control valve is provided for each leveler and includes a first port which is adapted to communicate with the primary line; a second port which is adapted to communicate with the power unit, and a third port which is adapted to communicate with a drain line. Each control valve is adapted to normally assume a first position of adjustment wherein the second and third ports are interconnected and the first port is blocked. When the control valve is adjusted to a second position of adjustment the first and second ports are interconnected and the third port is blocked thereby causing the deck member to be actuated to the predetermined upwardly inclined position.
摘要翻译：提供了用于装载坞安装的液压系统，其中后者具有沿着装载基座间隔设置的多个可独立操作的船坞调平器。每个矫直机包括铰接安装的甲板构件或斜坡和用于将水平构件从水平交叉位置致动到预定的向上倾斜位置的动力单元。液压系统设置有相对于船坞调平器远程设置的加压液压流体的共同源。主要线从普通来源延伸到每个矫直机。为每个矫直机提供可调节的调节阀，并包括适于与主线路连通的第一端口; 适于与电力单元通信的第二端口，以及适于与排水管路连通的第三端口。每个控制阀适于正常地采取第一调整位置，其中第二和第三端口互连并且第一端口被阻塞。当控制阀被调节到第二调节位置时，第一和第二端口互连，并且第三端口被阻塞，从而使得甲板构件被致动到预定的向上倾斜的位置。

5. 发明授权

US4531248A Dockboard assembly 失效
标题翻译：主板组装
公开(公告)号：US4531248A
公开(公告)日：1985-07-30
申请号：US415174
申请日：1982-09-07
申请人： Michael A. Swessel , Norbert Hahn
发明人： Michael A. Swessel , Norbert Hahn
IPC分类号： B65G69/28 , E01D1/00
CPC分类号： B65G69/2841
摘要： A dockboard assembly is provided having a releasable holding means for restraining the upward pivoting of a ramp means, the latter being urged to pivot upwardly by a biasing means. The holding means is adapted to be adjusted to a release position either by a manually actuated first release means or by a second release means which is actuated automatically only upon the ramp means having assumed a predetermined position of pivotal adjustment and an external upwardly pivoting force exceeding a predetermined magnitude being exerted on the ramp means.
摘要翻译：提供了一种具有可释放的保持装置的码板组件，该释放保持装置用于限制斜坡装置的向上枢转，所述斜面装置被推压以通过偏置装置向上枢转。保持装置适于通过手动致动的第一释放装置或通过第二释放装置来调节到释放位置，第二释放装置仅在具有超过预定的枢转调节位置的斜坡装置和外部向上枢转力超过施加在斜坡装置上的预定大小。

6. 发明授权

US06832403B2 Moveable bumper for a dock leveler 有权
公开(公告)号：US06832403B2
公开(公告)日：2004-12-21
申请号：US10634703
申请日：2003-08-05
申请人： Norbert Hahn , Michael A. Swessel , Edward A. Raleigh
发明人： Norbert Hahn , Michael A. Swessel , Edward A. Raleigh
IPC分类号： E01D100
CPC分类号： B65G69/001
摘要： A dock leveler system includes a pivotal deck whose movement provides the impetus for moving a bumper between an operative position and a retracted position. The bumper is movable relative to the deck, so that after a truck bumps up against the bumper, the bumper can move below the deck to avoid creating an obstacle to a forklift or the like traveling on the deck. The moveable bumper can be disposed within the width of a dock leveler deck that encompasses the full-width of a truck bed. Of the various embodiments, some bumpers pivot underneath the deck, and others move straight up and down. In the operative position, some bumpers are flush with the top of the deck, and others protrude above the deck.

7. 发明授权

US06634049B2 Moveable bumper for a dock leveler 失效
公开(公告)号：US06634049B2
公开(公告)日：2003-10-21
申请号：US09850430
申请日：2001-05-07
申请人： Norbert Hahn , Michael A. Swessel , Edward A. Raleigh
发明人： Norbert Hahn , Michael A. Swessel , Edward A. Raleigh
IPC分类号： E01D100
CPC分类号： B65G69/001
摘要： A dock leveler system includes a pivotal deck whose movement provides the impetus for moving a bumper between an operative position and a retracted position. The bumper is movable relative to the deck, so that after a truck bumps up against the bumper, the bumper can move below the deck to avoid creating an obstacle to a forklift or the like traveling on the deck. The moveable bumper can be disposed within the width of a dock leveler deck that encompasses the full-width of a truck bed. Of the various embodiments, some bumpers pivot underneath the deck, and others move straight up and down. In the operative position, some bumpers are flush with the top of the deck, and others protrude above the deck.

8. 发明授权

US4443150A Releasable locking device 失效
标题翻译：可拆卸锁定装置
公开(公告)号：US4443150A
公开(公告)日：1984-04-17
申请号：US321044
申请日：1981-11-13
申请人： Norbert Hahn , Steven J. Hipp , Michael A. Swessel
发明人： Norbert Hahn , Steven J. Hipp , Michael A. Swessel
IPC分类号： B65G69/00
CPC分类号： B65G69/003
摘要： A device is provided for releasably securing a parked vehicle to an adjacent structure. The device includes a carriage first section affixed to the adjacent structure and a vertically adjustable carriage second section mounted on the first section and biased to assume a predetermined elevated position. The second section moves downwardly from the elevated position upon a predetermined external force being exerted thereon. A first element is mounted on the carriage second section for relative movement between an operative vehicle-locking mode and an inoperative vehicle-release mode. A second element is adjustably mounted on and substantially concealed by the carriage second section and coacts therewith and the first element to retain the latter in an operative mode. A manually actuated third element is carried on the carriage second section and is movable independently thereof to effect movement of the first element from the inoperative mode to the operative mode. The third element normally assumes a substantially concealed position within the carriage second section. A manually actuated fourth element is adjustably mounted on the carriage second section and is engageable with the second element to effect movement of the latter to a non-retaining position with respect to the first element, when the fourth element is manually activated in one relative direction.
摘要翻译：提供了一种用于将停放的车辆可释放地固定到相邻结构的装置。该装置包括固定到相邻结构的滑架第一部分和安装在第一部分上并被偏压以呈现预定提升位置的垂直可调节滑架第二部分。第二部分在施加在其上的预定外力时从提升位置向下移动。第一元件安装在滑架第二部分上，用于在操作车辆锁定模式和非操作车辆释放模式之间的相对运动。第二元件可调节地安装在托架第二部分上并基本上由托架第二部分隐藏并与之共同作用，并且第一元件将第一元件保持在操作模式中。手动致动的第三元件承载在托架第二部分上，并且可独立于其移动，以使第一元件从不工作模式移动到操作模式。第三元件通常在滑架第二部分内呈现基本上隐藏的位置。手动致动的第四元件可调节地安装在托架第二部分上，并且当第四元件在一个相对方向上被手动地启动时可与第二元件接合以实现第二元件相对于第一元件的非保持位置的移动。

9. 发明授权

US4570277A Leveler assembly 失效
标题翻译：调平器总成
公开(公告)号：US4570277A
公开(公告)日：1986-02-18
申请号：US612439
申请日：1984-05-21
申请人： Norbert Hahn , Michael A. Swessel
发明人： Norbert Hahn , Michael A. Swessel
IPC分类号： B65G69/28 , E01D1/00
CPC分类号： B65G69/2823
摘要： A leveler assembly is provided for use within a pit formed in the platform surface of a loading dock. The pit is of conventional construction and includes a recessed horizontal base surface, upright side and rear walls and an open front. The assembly includes a stationary frame mounted within the pit and having an upright section disposed adjacent the pit rear wall and a forwardly extending section mounted on the pit base surface; the latter section effects segregation of the base surface into large contiguous areas, on which debris accumulates, each area being defined in part by the pit open front. A deck member is provided having a rear edge portion thereof hingedly connected to the upright frame section. The deck member, when not in use, normally assumes a neutral position whereby the exposed surface thereof is coplanar with the dock platform surface so as to allow cross-traffic to safely pass thereover. When the deck member assumes a predetermined raised position, the pit base surface areas are accessible and the accumulated debris removable therefrom through the pit open front.
摘要翻译：提供调平器组件用于在装载坞的平台表面中形成的凹坑内使用。该坑具有常规结构，并且包括凹入的水平基面，直立侧壁和后壁以及敞开的前部。组件包括安装在凹坑内的固定框架，并且具有邻近凹坑后壁设置的直立部分和安装在凹坑基面上的向前延伸部分; 后一部分将使基部表面分离成大的连续区域，碎屑堆积在该区域上，每个区域部分由凹坑开放前部限定。提供了一种甲板构件，其具有铰接地连接到直立框架部分的后边缘部分。甲板构件在不使用时通常呈现中立位置，由此其暴露表面与码头平台表面共面，从而允许交叉行驶安全地通过。当甲板构件呈现预定的升高位置时，凹坑基面区域是可接近的，并且累积的碎屑可通过凹坑开放的前部从其上移除。

10. 发明授权

US5882167A Locking mechanism for a vehicle restraint 失效
标题翻译：车辆限制的锁定机构
公开(公告)号：US5882167A
公开(公告)日：1999-03-16
申请号：US842163
申请日：1997-04-23
申请人： Norbert Hahn , Michael A. Swessel
发明人： Norbert Hahn , Michael A. Swessel
IPC分类号： B65G69/00
CPC分类号： B65G69/003
摘要： A vehicle restraint is provided for releasably securing a parked vehicle to an adjacent structure. The vehicle restraint includes a carriage assembly which is adjustably vertically mounted to the adjacent structure and a restraining member which is pivotably attached to the carriage assembly for rotational movement between a stored (or vehicle-release) position, wherein the restraining member is enclosed within the carriage assembly, and an operative (or vehicle-locking) position, wherein a portion of the restraining member projects outwardly and upwardly from the carriage assembly. The vehicle restraint also includes a locking mechanism for preventing rotation of the restraining member into the stored position when an external force or torque, in a direction toward the stored position, is exerted on the distal end of the restraining member. The locking mechanism includes a first locking member which is attached to the restraining member, and a second locking member which is attached to the carriage assembly and is positioned for selective engagement by the first locking member when the restraining member is rotated between the operative and stored positions. In use, engagement between the first and second locking members prevents rotation of the restraining member into the stored position when the external force or torque is exerted on the distal end of the restraining member.
摘要翻译：提供了一种车辆限制器，用于将停放的车辆可释放地固定到相邻的结构。车辆限制装置包括可调节地垂直地安装到相邻结构的托架组件和可枢转地附接到托架组件的限制构件，用于在存储（或车辆释放）位置之间旋转运动，其中限制构件封闭在托架组件和操作（或车辆锁定）位置，其中限制构件的一部分从托架组件向外和向上突出。车辆约束装置还包括一个锁定机构，用于当朝向存储位置的方向上的外力或扭矩施加在限制构件的远端上时，用于防止限制构件旋转到存储位置。锁定机构包括附接到限制构件的第一锁定构件和附接到托架组件的第二锁定构件，并且当第二锁定构件在操作和存储之间旋转时被定位成由第一锁定构件选择性地接合职位在使用中，当外力或扭矩施加在限制构件的远端时，第一和第二锁定构件之间的接合防止限制构件旋转到存储位置。

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