Patents Examined by Colleen M Chavchavadze
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Patent number: 11484735Abstract: A fall protection cable system configured for installation of a roof on a steel building includes a starting support post, a final support post, and a support cable. The starting support post is configured for attachment to a first side of the steel building and has a bottom starting end configured to attach to the first side of the steel building and a top starting end extending above the roof. The final support post is configured for attachment to a second side of the steel building and has a bottom final end configured to attach to the second side of the steel building and a top final end extending above the roof on the second side. The support cable is configured to be connected at an elevated position above the roof of the steel building between the top starting end and the top final end.Type: GrantFiled: September 13, 2019Date of Patent: November 1, 2022Inventor: Jonathan Wade Wilson
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Patent number: 11480013Abstract: A fall protection system having a top bracket assembly that is mountable to a top portion of the ladder, a spaced bottom bracket assembly that is mountable to a bottom portion of the ladder, and a cable extending therebetween portions of the top bracket assembly and the bottom bracket assembly substantially parallel to a plane bisecting the vertical ladder at a desired distance from the plane.Type: GrantFiled: December 4, 2018Date of Patent: October 25, 2022Assignee: Formetco, Inc.Inventor: Jonathon Christopher Adams
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Patent number: 11473318Abstract: A work platform system having a first work platform. The system having a first bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second bracket attached to the first scaffold and extending below and outward beyond the first scaffold between the first rail and the second rail of the first leg assembly. The system having a second work platform. The first end of the second scaffold is disposed on the first bracket and the second bracket with the first bracket and the second bracket extending between the first rung of the third leg assembly and the second scaffold. A method for using a work platform system.Type: GrantFiled: December 2, 2019Date of Patent: October 18, 2022Assignee: Werner Co.Inventors: Steve Woodward, Joseph C. Dangrow, Michael A. Somerfield
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Patent number: 11459825Abstract: A ladder dock system can include a ladder dock including a mounting panel and a connecting panel connected to the mounting panel, the ladder dock defining a ladder notch. The ladder dock system can further include a ladder configured to provide access to an elevated structure and sized to rest against the ladder dock, the ladder notch sized to receive and fix a position of the ladder relative to the ladder dock.Type: GrantFiled: October 21, 2020Date of Patent: October 4, 2022Inventor: Charles J. MacKarvich
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Patent number: 11459777Abstract: A roller system including a top roller, a middle roller, a split lower roller and a split workbench roller configured for a pump jack arranged for travelling up and down a pole, wherein the top roller includes flanges at both ends of the roller; wherein the split lower roller includes a pair of facing lower rollers, each of the pair of facing lower rollers having an outward tapered flange; and wherein the split workbench roller includes a pair of facing workbench rollers, each of the pair of facing workbench rollers having an outward tapered flange.Type: GrantFiled: July 25, 2019Date of Patent: October 4, 2022Assignee: ALUM-A-POLE CORPORATIONInventor: Kevin Jablonski
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Patent number: 11459824Abstract: A safety accessory for stabilizing a user on a step ladder is provided. The safety accessory includes an elongate member having a shaft and at least one handle portion extending perpendicularly to the shaft and structured to be gripped by the user, the handle portion having a strap ring; a harness configured to removeably couple to the strap ring of the handle portion, the harness being structured to cradle and urge the user toward the center of gravity of the step ladder when the user stands on at least one of the plurality of steps of the step ladder; and a clamp configured to removeably attach to a selected location on the side rail of the step ladder, the clamp having a receptacle structured to slideably receive the shaft of the elongate member and a positioning structure configured to maintain the shaft of the elongate member into a selected one of a plurality of longitudinal positions with respect to the clamp.Type: GrantFiled: August 22, 2019Date of Patent: October 4, 2022Assignee: Ladder Reach Safety System LLCInventor: Leon Cohen
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Patent number: 11452893Abstract: A fall restraint for a worker on a roof comprising a yoke line, wherein a first end of the yoke line is releasably connected to a first building structure and a second end of the yoke line is releasably connected to a second building structure. The fall restraint also comprises a support line, wherein a first end of the support line is slidably connected to the yoke line, and a second end of the support line is connected to a worker harness, wherein the support line is adapted to travel over a ridge line of the roof and at least partially support the weight of the worker.Type: GrantFiled: August 7, 2019Date of Patent: September 27, 2022Assignee: NED STEVENS GUTTER CLEANING AND GENERAL CONTRACTING OF NEW JERSEYInventors: Marc Falgares, Robert Rapuano, Carlos Gonzales
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Patent number: 11447965Abstract: A modular platform system utilizing a number of components including a platform. The platform is configured so that each of the components may interchangeably connect to any side of the platform. The components include, for example, handrails and stairways, as well as other platforms. The platform and most of the components are formed from single, continuous pieces of metal.Type: GrantFiled: June 28, 2019Date of Patent: September 20, 2022Assignee: Safe Rack LLCInventor: Robert W. Honeycutt
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Patent number: 11441354Abstract: A telescopically extendable and collapsible ladder assembly includes multiple collapsible ladder sections provided with an air damper at the bottom end of tubular stile members. The air dampers provide retardation of gravity induced velocity of the collapsible ladder sections upon collapse of the ladder sections. Multiple air dampers include a throttle valve securing device, for cooperating with a throttle valve of the air damper when the collapsible ladder section is in the collapsed position, to secure the throttle valve in its throttle position and/or an obturator device. The obturator device includes a first obturator member and a second obturator member where the first obturator member and the second obturator member are configured to, when the collapsible ladder section is in the collapsed position, in combination provide additional throttling.Type: GrantFiled: November 14, 2017Date of Patent: September 13, 2022Assignee: Lampe Holding B.V.Inventor: Marcel Cornelis Hooiveld
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Patent number: 11441356Abstract: Ladders and ladder components are described herein, including multipurpose and adjustable ladders. In one embodiment, a ladder includes a first assembly having rails and rungs, a second assembly having rails and rungs, and one or more hinges coupling the first and second assemblies together such that the first and second assembly may be positioned relative to one another in at least a position or state and at least a second position or state. A top cap is coupled to the rails of the first assembly, such that when the first and second assemblies are in the first position, the rails of the second assembly do not contact the top cap. When the first and second assemblies are in the second position, each rail of the second assembly is at least partially nested in one of a pair of channels formed in the top cap.Type: GrantFiled: June 7, 2019Date of Patent: September 13, 2022Inventors: Bradley Scott Maxfield, N. Ryan Moss, Brian B. Russell, Benjamin Lynn Cook, Travis Mittanck, Steve Miner
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Patent number: 11421477Abstract: An access platform system for enabling access to and from ground-based structures, vehicles, and mobile equipment. The system has a main frame that is attached to or juxtaposed with one or more of the ground-based structures, vehicles, and mobile equipment; a vertical platform displacement assembly attached to the main frame; and a folding steps assembly. The vertical displacement mechanism has a multi-stage apparatus for influencing the stroke of lift cylinders. In one embodiment, the folding steps assembly has folding and unfolding steps.Type: GrantFiled: October 30, 2018Date of Patent: August 23, 2022Assignee: GSE TECHNOLOGIES, LLCInventors: Glen Raymond Simula, Justin Sven LaCosse
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Patent number: 11421475Abstract: Ladders, ladder components and related methods are provided. In some embodiments, adjustable stepladders are provided which include locking mechanisms that enable height adjustment of the ladder through application of a force towards the rails of the ladder. The locking mechanism may include a base or bracket, a handle or lever pivotally coupled with the bracket, an engagement pin coupled with the lever, a biasing member to bias the handle towards a first position relative to the bracket, and a detent mechanism for retaining the lever in at least a second position relative to the bracket.Type: GrantFiled: November 22, 2019Date of Patent: August 23, 2022Assignee: LITTLE GIANT LADDER SYSTEMS, LLCInventors: Jay Ballard, Benjamin L. Cook, N. Ryan Moss, Sean R. Peterson
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Patent number: 11414878Abstract: An unlocking structure of workbench ladder includes a platform and two ladders hinged to the two ends of the platform; wherein, the ladder includes an unlocking structure relative to the hinged joint of the platform, and the unlocking structure includes an operating button, rotating lock tongue and a first elastic element; the rotating lock tongue is arranged in the column and the upper end is a locking hook which is locked and located in the locking plate at the bottom of the platform; the first elastic element acts between the rotating lock tongue and the column driving and positioning the locking hook toward the locking plate to lock the ladder and the platform; the operating button acts on the rotating lock tongue to overcome the first elastic element and drive the locking hook to move in a direction opposite to the locking plate, unlocking the ladder and the platform.Type: GrantFiled: August 31, 2017Date of Patent: August 16, 2022Assignee: SUZHOU PICA ALUMINUM INDUSTRY LTDInventors: Xiaoyan Xie, Longyuan Lu
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Patent number: 11408226Abstract: Various embodiments of ladders, ladder legs, ladder feet, foot mechanisms for ladders, and related methods are provided herein. In one embodiment, a foot is pivotal relative to a leg or rail of the ladder between a first position and at least a second position. A biasing force is applied to the foot to maintain the foot in either of the user-selected positions until a force is applied to pivot the foot to another position. In one embodiment, the foot mechanism maintaining the foot at a desired position may include a pair of pins that couple the foot to another component (e.g., a housing member, an insert member or a rail of the ladder). At least one of the two pins may be displaceable relative to the other pin during pivoting of the foot.Type: GrantFiled: April 6, 2020Date of Patent: August 9, 2022Assignee: LITTLE GIANT LADDER SYSTEMS, LLCInventors: B. Scott Maxfield, Gary M. Jonas, N. Ryan Moss, Brian B. Russell
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Patent number: 11408225Abstract: A cabinet mounted step stool can be collapsed to a narrow horizontal profile for storage without compromising usefulness of the cabinet. The step stool is supported on support channels fastened to two side walls of the cabinet. A pair of fixed track channels are supported on the support channels with the fixed track channel openings facing each other, within which two sliding track channels slide with one on the left and the other on the right. Four step support assemblies, each of which comprises a step support with one end pivotally attached to a roller and the other end pivotally attached to a foot. Two rollers slide within the left and other two rollers slide within the right sliding track channel. Two steps are supported on four corners by the four step support assemblies. When extended, the step stool provides two steps with approximately 13½? rise in height.Type: GrantFiled: February 28, 2022Date of Patent: August 9, 2022Inventor: Preston Godfrey
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Patent number: 11401148Abstract: The aerial work platform includes: a platform provided with a guardrail and a mechanism for lifting this platform; a desk for controlling the movements of the aerial work platform, one or more virtual-barrier systems for determining that an individual on the platform is close to a part of the guardrail adjacent to the desk and/or is leaning towards the desk, by detecting interference between the individual and the virtual barrier, the system inhibiting at least certain movements of the aerial work platform if it detects interference with the barrier. The virtual-barrier system includes at least one emitter and one receiver of waves, the system detecting interference of an external object with the barrier by the fact that the receiver receives waves emitted by the emitter by reflection off the object that is interfering with the barrier.Type: GrantFiled: April 6, 2017Date of Patent: August 2, 2022Assignee: HAULOTTE GROUPInventors: Daniel Maisonnette, Nicolas Bonnefoy
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Patent number: 11377862Abstract: A valley roof bracket is an adjustable V-shaped bracket having an upper cross-member upon which a triangular shaped platform may adjustably be positioned. The device may be secured to an angular side of a pitched roof.Type: GrantFiled: September 16, 2021Date of Patent: July 5, 2022Inventor: Richard Waldron
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Patent number: 11369816Abstract: A positionable connector assembly comprises a base, a connector operatively connected to the base, a friction member positioned between the base and the connector, and a biasing member operatively connected to the connector and configured and arranged to bias the connector toward the friction member.Type: GrantFiled: April 24, 2019Date of Patent: June 28, 2022Assignee: Pure Safety Group, Inc.Inventors: Robert G. Carrasca, Christopher Ross Hamlin, Dylan James Piper-Kaiser, Kathryn Rose Crabb
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Patent number: 11352836Abstract: A safety ladder for a pool includes a movable ladder portion that can be moved between an accessible position and an inaccessible position. The movable ladder portion is disposed substantially outside of the pool and provides a series of steps that can be climbed vertically for entry into the pool when it is located in the accessible position. In the inaccessible position, the movable ladder portion is moved such that the steps can no longer be climbed and access to the pool is prevented. Such safety ladder assemblies are provided primarily to prevent children and other at risk individuals from entering an unattended pool. A dampening member is provided such that the force necessary to move the movable ladder portion is regulated to prevent a dangerous accumulation of moment and limit a risk of injury through harmful contact therewith.Type: GrantFiled: March 29, 2019Date of Patent: June 7, 2022Assignee: BESTWAY INFLATABLES & MATERIAL CORP.Inventors: Shuiyong Huang, Wenhua Hu, Changde Wan, Xiaobo Chen
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Patent number: 11351406Abstract: In some embodiments, an anchoring stick comprises a shaft, a handle located at one end of the shaft and a hook located at the other end. The hook defines a cavity. The anchoring stick has a first orientation and a second orientation. A perimeter of the cavity comprises an opening in the first orientation. The cavity is defined by a closed perimeter in the second orientation.Type: GrantFiled: June 1, 2018Date of Patent: June 7, 2022Assignee: Engineered Supply L.L.C.Inventor: Arlen Paul Grant