Patents Examined by Kathleen M. McFarland
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Patent number: 11981289Abstract: A vehicle includes a vehicle body, a vehicle roof rack component and a vehicle ladder. The vehicle body has a roof body part and a side body part. The side body part defines a wheel well of the vehicle. The vehicle roof rack component is installed to the roof body part. The ladder is detachably installed to the vehicle body. The ladder extends from the roof body part and over the side body part to the wheel well.Type: GrantFiled: October 30, 2020Date of Patent: May 14, 2024Assignee: Nissan North a, nc.Inventor: Sam Kaddouh
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Patent number: 11982127Abstract: A ladder safety device (2) for removably securing a ladder (40) to a parapet wall (36) of a rooftop (38), including: a pair of support clamps (4) securable to the parapet wall (36), each said support clamp (4) including a first support member (10), a second support member (12), and an extended arm (14) joining said first support member (10) to said second support member (12), wherein a distance between said support members (10, 12) defines a width adjustable to the width of the parapet wall (36); an elongate plate (6) connecting said pair of support clamps (4) to each other; and at least one ladder hook (8) extending from said elongate plate (6) for securely receiving a rung of the ladder (40).Type: GrantFiled: October 29, 2020Date of Patent: May 14, 2024Assignee: DELTA PRÉVENTION INC.Inventors: Alex Lajoie, Pierre-Luc Lussier, Kevin Key
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Patent number: 11970907Abstract: A telescopic ladder system includes a lower base configured to be connected to a ladder-supporting portion of a vehicle, and a ladder including a base section and a fly section operatively connected to the base section and slidable relative thereto. A supporting member is disposed at a distal end of the fly section. A security railing is connected to the distal end. The ladder has an attachment point for attaching a safety line thereto. The attachment point is disposed at one of the fly section, the supporting member and the security railing. A first actuator selectively sets an inclination angle of the ladder relative to the lower base. A second actuator selectively extends the ladder by sliding the fly section relative to the base section. A safety system and a method for securing an operator atop a vehicle or van are also contemplated.Type: GrantFiled: November 11, 2020Date of Patent: April 30, 2024Assignee: ENTREPRISE CRC (2014) INC.Inventor: Keven Petitclerc
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Patent number: 11885142Abstract: Disclosed is an arrangement including a staircase as well as walkway systems. The staircase includes a transitional member, and the walkways incorporate grate supports in order to facilitate the connection to adjacent structures. The arrangement also utilizes angled members which are configured with a reinforced flange existing in a dimension that has higher load requirements than the other flange. A novel step configuration is also disclosed.Type: GrantFiled: April 14, 2020Date of Patent: January 30, 2024Assignee: WIFCO Steel Products, Inc.Inventor: Matthew Garcia
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Patent number: 11865378Abstract: A mobile safety fall arrest cart is provided. The mobile safety fall arrest cart is configured to move along an edge of an elevated surface as a worker works along the edge. The worker is connected to the cart with a safety line. If the worker falls from the elevated surface, the weight of the worker causes a spike assembly to move from a stowed configuration to a deployed configuration. In the deployed configuration, a spike member engages the elevated surface so as to assist in arresting the worker's fall.Type: GrantFiled: March 11, 2019Date of Patent: January 9, 2024Assignee: FRANK P. FREY AND COMPANYInventor: David Wayne Schroeder
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Patent number: 11844965Abstract: The invention discloses a rail type anti-falling safety device including a primary bearing block, an anti-falling tongue through-groove is opened on an upper end face of the primary bearing block, an anti-falling tongue pin is provided in the through-groove, an anti-falling tongue is provided on and rotatable about the anti-falling tongue pin, the anti-falling tongue is pressed tightly against a T-shaped steel-rail surface under the action of an elastic element, the anti-falling tongue has a cam structure at the end pressed against the T-shaped steel rail surface and a hanging loop at the end far from the end pressed against the T-shaped steel rail surface. A first clamping block is provided on a lower end face of the primary bearing block. The invention allows adjustments to the groove width of the anti-falling device while the safety and reliability is ensured, thereby providing uninterrupted personal safety guarantee for the worker.Type: GrantFiled: March 18, 2019Date of Patent: December 19, 2023Assignee: JIANGNAN UNIVERSITYInventor: Wenxu Yan
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Patent number: 11828070Abstract: A fire and disaster evacuation apparatus installed in a high-rise building includes a stationary frame; a front plate; a side plate; a bottom; a locking device; and a lever part, and its width is less than a thickness of an outer wall of the building. The apparatus can be mounted integrally with an outer wall of an apartment or a building and thus it can be mounted without changing the exterior of the building. The apparatus is formed in a thin structure so that it can be mounted at any place as long as an outer wall is 160 mm or more, and is located inside a wall body so that it does not affect the exterior of the building, and so that additional power is not necessary to drive the apparatus.Type: GrantFiled: November 18, 2020Date of Patent: November 28, 2023Assignee: MENTOR T&C CO., LTD.Inventors: Dong Woo Kim, Gil Joon Lee
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Patent number: 11828107Abstract: A ladder platform system for attachment to an extension ladder is provided. The system includes a ladder platform assembly having a first tubular leg, a second tubular leg, a platform, and a tubular board support sleeve. The first tubular leg defines a first interior space that is sized and shaped to receive a top portion of a first ladder side rail therein. The second tubular leg defines a second interior space that is sized and shaped to receive a top portion of the second ladder side rail therein. The tubular board support sleeve is coupled to a bottom surface of the platform and is sized and shaped to receive a board therethrough. The system includes a first standoff member sized and shaped to receive the board therethrough, and a second standoff member sized and shaped to receive the board therethrough.Type: GrantFiled: December 17, 2020Date of Patent: November 28, 2023Inventor: Robert P. Warunek
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Patent number: 11821262Abstract: A lifting positioning structure for a ladder tool platform comprises a ladder. The ladder comprises front supporting legs, rear supporting legs, connectors fixedly connected to the front supporting legs, plug pins, and elastic parts, wherein each front supporting leg includes a big tube and a small tube which are able to relatively move in an extension direction. The connectors are formed with vertically-through installation cavities which allow the big tubes to be inserted therein. The big tubes are arranged in the installation cavities and are fixedly connected to the connectors which extend to form connection parts rotationally connected to the rear supporting legs. The small tubes are connected to a tool platform. The plug pins are movably arranged on the connectors or the big tubes.Type: GrantFiled: January 14, 2020Date of Patent: November 21, 2023Assignee: Jiangsu Zhou Jijie Intelligent Technology Co., LtdInventors: Chen Hui Zhu, Baisong Yao
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Patent number: 11821223Abstract: A scaffold transport system is described with a rail system having at least one horizontally running rail section, and at least one carriage module, which is designed to move along the rail system. The carriage module has a coupling section via which the carriage module is captively and movably coupled to the rail system, and a carrier section by means of which the carriage module carries objects during the movement.Type: GrantFiled: May 8, 2018Date of Patent: November 21, 2023Inventors: Alimzhan Rakhmatulin, Leonidas Pozikidis, Sebastian Weitzel, Eirini Psallida, Ekaterina Grib, Artem Kuchukov
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Patent number: 11795760Abstract: A tripod assembly includes a plurality of columns disposed in a nested arrangement for relative axial movement in a telescopic fashion along a longitudinal axis of the plurality of columns between a fully-extended position and a collapsed position. When the columns are collapsed from the fully-extended position each column substantially nests within another one of the columns. The plurality of columns are received within the central post when the plurality of columns is in the collapsed position. The bracket assembly is coupled to the second end of the connecting rod, and the bracket assembly is configured to receive a selectable rung of a ladder therein. The bracket member is coupled to an uppermost one of the columns, and the bracket member includes a channel configured to receive a second selectable rung of the ladder.Type: GrantFiled: October 12, 2020Date of Patent: October 24, 2023Assignee: Core Distribution, Inc.Inventors: Allen A. Caldwell, Mitchell I. Kieffer
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Patent number: 11753868Abstract: A step stool includes a step frame including a plurality of legs and a handrail coupled to the step frame. The step frame is foldable so as to assume a flat profile for storage. The handrail is mounted on the step frame and is movable relative to the step frame. The handrail provides support for a user standing on the step frame.Type: GrantFiled: July 7, 2020Date of Patent: September 12, 2023Assignee: Dorel Home Furnishings, Inc.Inventors: Jason A. Boyer, Kyle J. Lawrence
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Patent number: 11751562Abstract: A mobile quick deploy hunting stand that includes a tower mounted onto a trailer with the tower capable of being raised and lowered by a winch on the trailer.Type: GrantFiled: January 24, 2020Date of Patent: September 12, 2023Assignee: BE-ON MOBILE BLINDS, LLCInventor: Douglas J. Kohler
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Patent number: 11739534Abstract: A folding staircase for use in a door opening having a threshold. The folding staircase has a pair of stringers that have an upper end and a lower end that is adapted for contacting a ground surface. The stringers are spanned by at least one tread. A hinge is connected to a floor near the door opening and a threshold plate pivotally connected thereto is movable between a use position and a stowed position. The staircase may be provided with a lifting mechanism that biases the staircase and threshold plate toward their stowed positions. The lifting device provides a variable force that provides more rotational force when the staircase would require a user to bear more of its weight and less force when less of the weight of the staircase would be borne by a user.Type: GrantFiled: May 20, 2020Date of Patent: August 29, 2023Assignee: MORRYDE INTERNATIONAL, INC.Inventors: Gary E. Tompkins, Anthony J. Granzotto
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Patent number: 11732530Abstract: Various embodiments of ladders and ladder components are provided. In one embodiment, a ladder includes a first rail, a second rail spaced apart from the first rail, and a plurality of rungs extending between and coupled to the first rail and the second rail. A walkthrough device may include a first component having a sleeve coupled to the first rail and a pole a pole slidably coupled to the sleeve between at least two positions including a retracted position and an extended position. In some embodiments, the sleeve may be fixedly coupled with the first rail and intended to remain attached (e.g., not intended for removal by a user). In another embodiment, the first component may be removably attached to the first rail so that a user may utilize and employ the device, and subsequently remove it, as desired.Type: GrantFiled: February 5, 2020Date of Patent: August 22, 2023Assignee: Little Giant Ladder Systems, LLCInventors: N. Ryan Moss, Steven S. Miner
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Patent number: 11697038Abstract: An anchor is provided for securing a strand from a wall aperture having a maximum height dimension and a maximum width dimension greater than the maximum height dimension. The anchor has an anchor body member having a first wall engagement surface on a lateral side there-of and a strand-securing aperture. A first hook member is attached to the anchor body member, extends laterally therefrom, and has a second wall engagement surface that intersects and is perpendicular to the first wall engagement surface. A second hook member attached to the first hook member has a longitudinal hook length and a third wall engagement surface parallel to, spaced apart from and opposing the first wall engagement surface. The first and third engagement surfaces define a slot with a width greater than the wall thickness. The longitudinal hook length is less than the maximum aperture width and greater than the maximum aperture height.Type: GrantFiled: September 8, 2020Date of Patent: July 11, 2023Assignee: Huntington Ingalls IncorporatedInventors: Scott Satterfield, Joseph D'Antonio
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Patent number: 11692395Abstract: The invention presented is a ladder blocking device attached to a ladder to prevent unauthorized use of the ladder. In one embodiment, the device includes a plurality of prongs that extends from a support system that holds the device onto the ladder. In one alternate embodiment, a shield rests over and is supported by the prongs. In second alternate embodiment, the shield is attached directly to the support system without the presence of the prongs.Type: GrantFiled: February 25, 2020Date of Patent: July 4, 2023Inventor: Robert Wade Bullock
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Patent number: 11655676Abstract: A locking mechanism for a ladder tray is disclosed. The locking mechanism includes two locking points on the frame or handle of the ladder while allowing single-handed operation.Type: GrantFiled: December 16, 2019Date of Patent: May 23, 2023Assignee: Tricam Industries, Inc.Inventor: Joseph P. Foley
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Patent number: 11655641Abstract: A construction building equipment includes hanging pedestals, sleeve frames, hydraulic cylinders, upper reversing boxes, lower reversing boxes and track columns. The multiple hanging pedestals are fixed on an outer side of a shear wall of an external wall. The sleeve frames and the track columns are clamped on the hanging pedestals. The sleeve frames are clamped on outer sides of the track columns. The lower reversing boxes are fixed at upper ends of the sleeve frames. The hydraulic cylinders are connected with the upper reversing boxes and the lower reversing boxes. Side surfaces of the track columns are provided with pane holes for cooperative climbing of the upper reversing boxes and the lower reversing boxes. Upper ends of the track columns are fixedly connected with a top platform. Hangers and formworks are suspended on the top platform through booms.Type: GrantFiled: September 29, 2020Date of Patent: May 23, 2023Inventors: Xiaoqing Liu, Huayong Lu, Weixiang Ding, Wei Wang, Shiqing Qian, Jin Li, Guowei Xu, Buyue Zhang, Liai Xu, Zhihua Zhang, Dong Chen, Hanwen Liu, Heng Liu, Lei Wang, Di Li, Leilei Zhu, Jun Wang, Yanhua Zhao, Huiwen Deng, Haonan Wang, Shilong Wen, Xisheng Tian
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Patent number: 11655640Abstract: Self-climbing device for vertical and quasi-vertical concrete surfaces with main body equipped with a main beam by way of displacement rail, and several self-motorized frames, independent of each other and separately controllable, displaceable along the main beam of the main body, all with a characteristic operating method. The present invention provides the main advantage of allowing going up or climbing any structure, device or machine, such as a crane or a working platform, being applicable and usable on both vertical and quasi-vertical surfaces, flat or curved, free geometry and with variable slope, and with advances or displacements unit of variable length, adapted to the structure or area to climb.Type: GrantFiled: June 27, 2018Date of Patent: May 23, 2023Assignee: HWS CONCRETE TOWERS S.L.Inventors: Mariano Abadia Perez, Jesus Montaner Fraguet, José Manuel Sorazu Echave, Iban Diaz Ochandiano, Borja Aguilo Portulas