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公开(公告)号：US20250115436A1
公开(公告)日：2025-04-10
申请号：US18730062
申请日：2023-01-09
Applicant: Laitram, L.L.C.
Inventor： Matthew L. Fourney , Joseph F. Kovacs , Angela Longo Marshall , John E. Wenzel , Christopher B. Spicer , James L. Brun , Gilbert J. MacLachlan , Richard M. Klein , David W. Bogle
IPC: B65G17/24
Abstract: A belt conveyor comprising a conveyor belt having upper and lower inline rollers arranged in a stack and selectively actuated to rotate. When actuated, the upper article-supporting rollers are rotated by contact with the lower rollers riding on raised bearing faces in a carryway. When deactuated, the upper rollers are braked by braking pads and the lower rollers are out of contact with lowered bearing faces. The belt rollers are actuated and deactuated by a matrix of individually controllable roller actuation assemblies, each defining a roller actuation zone.
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公开(公告)号：US11724884B2
公开(公告)日：2023-08-15
申请号：US17612260
申请日：2020-05-27
Applicant: Laitram, L.L.C.
Inventor： Bryant G. Ragan , David W. Bogle , John de St. Germain
CPC classification number: B65G17/067 , B65G17/30 , B65G21/08 , B65G21/20 , B65G21/22 , B65G23/04 , B65G23/06 , B65G2207/48
Abstract: A slat conveyor belt includes connected drive modules that can be easily disassembled and assembled. Each drive module comprises a slat portion connected to a drive portion forming a drive chain. A conveyor frame for the conveyor belt includes a dust cover for the drive chain and a separator for selectively separating a slat portion from an associated drive portion. A magazine automatically removes and stores separated slats.
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公开(公告)号：US10023388B2
公开(公告)日：2018-07-17
申请号：US15337147
申请日：2016-10-28
Applicant: Laitram, L.L.C.
Inventor： Casper Fedde Talsma , David W. Bogle
Abstract: A spiral conveyor for positively driving a conveyor belt along a helical path. The spiral conveyor includes a rotating cylindrical tower with parallel drive members extending from the bottom to the top of the tower on its periphery. Each drive member includes an outwardly protruding ridge that varies in height from the bottom to the top of the tower. The variations in height facilitate the belt's entry onto and exit from the tower and robust, positive driving engagement with the inside edge of the belt along the majority of its path along the tower.
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公开(公告)号：US20180072503A1
公开(公告)日：2018-03-15
申请号：US15560334
申请日：2016-04-14
Applicant: Laitram, L.L.C.
Inventor： David W. Bogle
CPC classification number: B65G17/40 , B65G17/385 , B65G21/18 , B65G2207/24
Abstract: A modular spiral belt constructed of a series of hingedly interconnected belt modules arranged in a helical stack. The modular spiral belt includes outer side plates, inner side plates and intermediate attachment members. The intermediate attachment members provide support for the conveyor belt to prevent sagging in an intermediate region.
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公开(公告)号：US09527673B2
公开(公告)日：2016-12-27
申请号：US14780192
申请日：2014-04-22
Applicant: Laitram, L.L.C.
Inventor： David W. Bogle , Jonathan W. Mays
Abstract: A spiral conveyor and a method for taking up slack in a modular conveyor belt traveling a helical path. The spiral conveyor includes a rotating cylindrical drive drum with parallel drive members extending from the bottom to the top of the drum on its periphery. Each drive member includes an outwardly protruding ridge extending from the bottom to the top of the drum for engaging the inside edges of the belt. A motor-driven take-up shaft and shaft-mounted sprocket set takes up slack in the belt after its release from the drum. To control tension at the discharge of the belt from the drive drum, the take-up motor is normally operated in a closed-loop control mode, but switches to an open-loop constant-speed control mode when the take-up motor stalls.
Abstract translation: 一种螺旋输送机和一种用于在传播螺旋路径的模块化输送带中卷起松弛的方法。 螺旋输送机包括旋转的圆柱形驱动滚筒，平行的驱动部件在其周边从滚筒的底部延伸到顶部。 每个驱动构件包括从底部到鼓的顶部延伸的向外突出的脊，用于接合皮带的内边缘。 电机驱动的卷取轴和轴安装的链轮组在从滚筒上释放后，松弛带子。 为了控制带从驱动鼓排出的张力，卷取电机通常以闭环控制模式运行，但当卷取电机停转时切换到开环恒速控制模式。
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Patent Agency Ranking
公开(公告)号：US09334121B2
公开(公告)日：2016-05-10
申请号：US13942080
申请日：2013-07-15
Applicant: Laitram, L.L.C.
Inventor： David W. Bogle , Alejandro J. Talbott , Robert L. Rosen
Abstract: A modular spiral belt constructed of a series of hingedly interconnected belt modules arranged in a helical stack. The modular spiral belt includes outer side plates that include openings for airflow and inner side plates that are solid to block airflow. The openings may include valves for selectively opening and closing the openings. A locking mechanism may lock two tiers together. A hold down may apply pressure to prevent destacking of the belt, or a guide may be disposed with the helical stack for preventing destacking.
Abstract translation: 由一系列以螺旋堆叠布置的铰接互连带组件构成的模块化螺旋带。 模块化螺旋带包括外侧板，其包括用于气流的开口和用于阻塞气流的内侧板。 开口可以包括用于选择性地打开和关闭开口的阀。 锁定机构可以将两层锁在一起。 按压可以施加压力以防止带的破裂，或者可以用螺旋堆叠布置引导件以防止破坏。
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公开(公告)号：US12264014B2
公开(公告)日：2025-04-01
申请号：US18644751
申请日：2024-04-24
Applicant: Laitram, L.L.C.
Inventor： Casper Fedde Talsma , David W. Bogle
Abstract: A spiral conveyor for positively driving a conveyor belt along a helical path. The spiral conveyor includes a rotating cylindrical tower with parallel drive members extending from the bottom to the top of the tower on its periphery. Each drive member includes an outwardly protruding ridge that varies in height from the bottom to the top of the tower. The variations in height facilitate the belt's entry onto and exit from the tower and robust, positive driving engagement with the inside edge of the belt along the majority of its path along the tower.
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公开(公告)号：US12162690B2
公开(公告)日：2024-12-10
申请号：US18022204
申请日：2021-08-11
Applicant: Laitram, L.L.C.
Inventor： David W. Bogle
Abstract: A rotatable retainer for hinge rods in modular conveyor belts. The rod retainer includes a plug that is rotatably received in a socket in the edge portion of a conveyor belt module. An aperture through the plug is adjustable between a first locked and operational position guiding a hinge rod obliquely into a hinge-joint passageway between adjacent rows of belt modules and an unlocked second position guiding the hinge rod straight into the passageway. A sideguard, such as for a stacker belt, can optionally be formed with the plug.
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公开(公告)号：US11970337B2
公开(公告)日：2024-04-30
申请号：US17737185
申请日：2022-05-05
Applicant: Laitram, L.L.C.
Inventor： Casper Fedde Talsma , David W. Bogle
CPC classification number: B65G17/086 , B65G15/30 , B65G21/18
Abstract: A spiral conveyor for positively driving a conveyor belt along a helical path. The spiral conveyor includes a rotating cylindrical tower with parallel drive members extending from the bottom to the top of the tower on its periphery. Each drive member includes an outwardly protruding ridge that varies in height from the bottom to the top of the tower. The variations in height facilitate the belt's entry onto and exit from the tower and robust, positive driving engagement with the inside edge of the belt along the majority of its path along the tower.
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公开(公告)号：US11772897B2
公开(公告)日：2023-10-03
申请号：US17601893
申请日：2020-04-03
Applicant: Laitram, L.L.C.
Inventor： Kevin W. Guernsey , David W. Bogle , Catherine M. Bishop
CPC classification number: B65G17/30 , B65G17/08 , B65G17/40 , B65G2207/12 , B65G2207/30 , B65G2207/48
Abstract: A plastic modular conveyor belt constructed of belt modules with wear pads. The belt is supported in the carryway of a conveyor atop linear wearstrips along which the belt's wear pads slide as the belt advances.
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