Safety Device For Ground-supported Ladder Patents (Class 182/107)
  • Patent number: 10294721
    Abstract: Disclosed is a ladder assembly configured for being supported on narrow surfaces. The ladder assembly may include a receiving structure that is configured to receive a narrow structure such as a tree or pole, for safely leaning the ladder assembly against the narrow structure. The assembly may include an arm that is operable between an open and closed position for securing the narrow structure in the receiving structure. The assembly may include an anchor to secure the ladder to a proximal surface that supports the ladder.
    Type: Grant
    Filed: August 22, 2017
    Date of Patent: May 21, 2019
    Inventor: Hossein Jafarmadar
  • Patent number: 10233692
    Abstract: A foldable ladder has a first ladder portion and a second ladder portion hingedly attached to the first ladder portion by a pair of hinge mechanisms. Each hinge mechanism adapted to lock the first and second ladder portions such that the first ladder portion and the second ladder portion form an angle therebetween. The hinge mechanism has a locking pin to lock the first and second ladder portions at an angular position. Each rung is connected to a column by a connector assembly having first and second release buttons.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: March 19, 2019
    Assignee: Core Distribution, Inc.
    Inventors: Mitchell I. Kieffer, Nathan L. Schlueter, Allen A. Caldwell
  • Patent number: 10161186
    Abstract: A ladder securing device (10) for securing a ladder (12) to the side of house to prevent the ladder from tipping over while unattended. The ladder securing device has a substantially U-shaped clip (2) that slides under a drip edge (13) and/or under a piece of fascia (14). The clip is then attached to a rung of a ladder using one or more straps (9) extending from the U-shaped clip.
    Type: Grant
    Filed: July 10, 2017
    Date of Patent: December 25, 2018
    Inventor: Robert S. Long
  • Patent number: 10136634
    Abstract: A kit of parts including a wheel, a bracket, an axel and an axel retainer. The axel having a central diameter, a larger first end and a second end portion adapted to receive an axel retainer. The bracket having a U-shape so that the bracket comprises a pair of spaced apart legs each of which legs comprise an axel aperture therein. The wheel having a hub comprising an axel bore there through. The central diameter of the axel is smaller than the axel aperture in each leg of the U-shaped bracket and smaller than the axel bore of the hub of the wheel.
    Type: Grant
    Filed: October 18, 2017
    Date of Patent: November 27, 2018
    Inventor: Thomas Leon Matthews
  • Patent number: 10138681
    Abstract: A ladder tie off system incorporates a safety strap into a ladder for securing the ladder to prevent undesired tipping. The system includes a ladder having a pair of lateral side members and a plurality of rungs extending between the lateral side members. A extendable tether includes a tensioning mechanism, a fixed section, and an extendable section. A mount is coupled to the tensioning mechanism of the extendable tether. The mount is coupled to the ladder proximate a top end of the ladder wherein the extendable tether is configured for is secured to a static object near the top of the ladder whereby the ladder is inhibited from tipping during use.
    Type: Grant
    Filed: August 16, 2016
    Date of Patent: November 27, 2018
    Inventor: John Crawford
  • Patent number: 10047559
    Abstract: A platform ladder apparatus (2) has a transport position and a use position in which the apparatus is arranged to lean against a wall (W) for performing work at an elevated level. The apparatus (2) has a ladder (4) and a working platform (20). A proximal side of the platform is pivotally connected at an upper end of the ladder such that it may be pivoted towards the ladder (4) to a stowed position essentially parallel to the ladder (4). The apparatus further comprises a pair of wall support arms (80) for stabilizing the apparatus in the use position in relation to the wall. The wall support arms (80) are connected to the platform (20) for movement between a stowed arm position in which the arms (80) project out from a distal side (24) of the platform (20) thereby preventing use of the apparatus, and a stabilizing arm position in which the arms (80) project sideways from the platform (20) in opposite lateral directions, respectively, for stabilizing the apparatus (2) in relation to the wall (W).
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: August 14, 2018
    Assignee: Vare Invent AB
    Inventor: Rolf Johansson
  • Patent number: 10030448
    Abstract: A ladder stabilization apparatus features a ladder engagement unit, and first and second bracing members attached to the engagement unit at a side thereof that faces outwardly from the ladder and each having a respective contact side for abutting against a structure during. The bracing members are securable to the ladder engagement unit in a first position in which the contact sides diverge away from the ladder, and a second position in which the contact sides converge away from the ladder. Placement of the braces in the first position accommodates diverging walls of an outside corner of the structure, while placement of the braces in the second orientation accommodates converging walls of an inside corner of the structure against the contact sides of the bracing members. A slot between the bracing members in the second position accommodates a wall stud or other dimensional frame unit.
    Type: Grant
    Filed: November 25, 2016
    Date of Patent: July 24, 2018
    Inventor: Terry James Miller
  • Patent number: 9951558
    Abstract: A restraining system and method for detachably securing a ladder to a shoring or excavation support structure. The restraining assembly, primarily configured from an elongated flexible restraining material, includes a proximal member, possessing a fastener configured to removably attach onto either side rail of a ladder. The assembly further includes a distal member, possessing a fastener configured to removably attach to a shoring anchor located on the top portion of a shoring wall. The mediate portion of the restraining assembly is configured to concurrently retain both the proximal and distal members, including a tensioning means for the adjustment of the overall functional length of the restraining assembly. In particular embodiments, the restraining system includes a shoring or excavation support structure having at least one shoring wall that includes a multiplicity of shoring anchors attached at predetermined locations.
    Type: Grant
    Filed: March 17, 2014
    Date of Patent: April 24, 2018
    Inventor: John J. Maragliano
  • Patent number: 9902601
    Abstract: In described embodiments, the present invention is a collapsible tree stand hoist having a support structure having a ground end and a frame end. The support structure is formed from a plurality of assembled members. A generally “U-shaped” frame is hingedly attached to the frame end of the support structure. The frame includes a flexible member releasably secured to at least one end of the frame. A pulley is attached to the flexible member.
    Type: Grant
    Filed: January 26, 2017
    Date of Patent: February 27, 2018
    Inventor: Ronald W. Dimond
  • Patent number: 9810023
    Abstract: A climbing system for inhibiting a ladder from tipping includes a ladder that may be climbed. A platform is provided and the platform may be positioned on a support surface. The ladder is removably coupled to the platform such that the platform inhibits the ladder from tipping.
    Type: Grant
    Filed: January 11, 2016
    Date of Patent: November 7, 2017
    Inventor: Craig Stewart
  • Patent number: 9797195
    Abstract: A fastening apparatus detachably and simultaneously joins with a climbing assembly and a mounting surface to maintain a secure connection there between. A rod comprises a distal end and a proximal end that joins the climbing assembly. An anchor portion comprises a base and a wall that joins the mounting surface. A distal coil winds around the rod to create tension between the proximal end and the wall. A locking member incrementally engages and remains engaged with a section of the rod while being displaced in a fastening direction. This forms a ratcheting mechanism that incrementally displaces the proximal end towards the wall, creating an inward and downward tension between the mounting surface and the climbing assembly. A release portion disengages the locking member from the rod so that the proximal end moves in a release direction.
    Type: Grant
    Filed: April 2, 2016
    Date of Patent: October 24, 2017
    Inventor: Joseph E. DeCuir
  • Patent number: 9771756
    Abstract: A ladder footing apparatus for supporting the base of a ladder, wherein the ladder is being positioned against a first wall structure at a top end of the ladder. The ladder footing apparatus includes an elongated handle having respective one and other opposed ends, a resilient pad member supported at one end of the elongated handle, the resilient pad member for engaging a second wall structure that is in opposed position to said first wall structure, and a hook member supported at the other opposed end of the elongated handle, said hook member for engaging a lower rung of the ladder.
    Type: Grant
    Filed: April 4, 2016
    Date of Patent: September 26, 2017
    Inventor: Matthew Gregoire
  • Patent number: 9689206
    Abstract: A ladder safety device and kit includes gutter grabber devices that attach to a gutter. The gutter grabber devices are mounted on the gutter lip and fit the ladder's rail to neutralize side to side movement as the ladder rail potentially can slide across the gutter's edge as the user climbs it and mounts the roof. The safety device also includes a ratchet and lashing strap device to hold the ladder firmly to the gutter when any force, such as accidental kickback, pushes the ladder away from the gutter. Working in tandem, the gutter grabber devices and the safety strap with a ratchet and hooks virtually eliminate significant side to side as well as front to back movement of the ladder, preventing the ladder from slipping, while having a convenient and compact design allowing it to be carried around easily by the user.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: June 27, 2017
    Inventor: Joseph M. Weston
  • Patent number: 9580959
    Abstract: A foldable ladder has a first ladder portion and a second ladder portion hingedly attached to the first ladder portion by a pair of hinge mechanisms. Each hinge mechanism adapted to lock the first and second ladder portions such that the first ladder portion and the second ladder portion form an angle therebetween. The hinge mechanism has a shifting mechanism and a ladder angle selector coupled thereto to allow manual selection of the angle between the first and second ladder portions, and a locking pin to lock the first and second ladder portions at an angular position.
    Type: Grant
    Filed: December 2, 2014
    Date of Patent: February 28, 2017
    Assignee: Core Distribution, Inc.
    Inventors: Mitchell I. Kieffer, Nathan L. Schlueter, Allen A. Caldwell
  • Patent number: 9540875
    Abstract: Walk-through safety devices for ladders meeting ANSI and OSHA standards are positioned at the top end of the ladder and are comprised of two, juxtapose-position, mirror image members. One each is mounted on a respective ladder side rail, Each member includes a sleeve (or rectangular tube) which slides down over a respective ladder side rail, a pressure bar which is tightened against the side rail with a knob operated screw, a pivoting engaging lock plate, and a lock plate tab cover plate. A horizontal hand grip framework is held outboard of the ladder side rails vertically upward, being at an angle of about 14.5 degrees upward from the longitudinal axis of the sleeve and side rail when resting against a structure. The framework is held in that position by a flared tube which is bent in two directions.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: January 10, 2017
    Inventor: J. Nigel Ellis
  • Patent number: 9376781
    Abstract: A ground anchor having an elongated shaft with upper and lower ends, a grooved locking post on the upper end; an threaded auger fixed to the lower end, an engagement area for engaging an external tool, a sleeve mounted over the main shaft, which spins freely, and an attachment member configured to secure one or more of an external lock, chain, rope or cable attached to an external object to thereby anchor the external object when the main shaft is screwed into the ground, and a lock device configured to cover and lock onto the grooved locking post so the attachment member and sleeve cannot be removed, whereby the sleeve covers the main shaft and obstructs access to the main shaft to prevent unwanted persons from removing it.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: June 28, 2016
    Inventor: Todd Staller
  • Patent number: 9109395
    Abstract: A corner ladder stabilizing apparatus for stabilizing a ladder against a corner of a building or structure. The corner ladder stabilizing apparatus comprises a rung engaging member for attaching to the ladder and either an outside corner engaging element or an inside corner engaging element, depending on the corner to be laddered, is secured to the rung engaging member.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: August 18, 2015
    Inventor: Raymond Reitz
  • Patent number: 9068395
    Abstract: An apparatus attachable to an extension ladder is provided having a single leg extendable in a direction perpendicular and adjacent to the two lowest rungs of an extension ladder, a channel bar sized to receive a substantial length of a lowest rung of the ladder, and a hook for latching onto a next to lowest rung of the ladder. A foot pivotally mounted to the leg at one end thereof supports the leg onto or at least partially into a level or non-level surface. A step member extends from the leg at an angle. When the ladder is extended upwards by a user, a removable arm member is received through a holder of the leg to lie against a user's leg to provide stability and prevent spinning. The apparatus when attached to the lowest two rungs elevates the ladder to be non-contact with the level or non-level surface.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: June 30, 2015
    Inventor: Scott E. Green
  • Patent number: 9033104
    Abstract: A stabilizer support for extension ladder having a pair of frame members. A pair of spring loaded telescoping extension legs, one of each disposed within each of the frame members. A plurality of adjustment mechanisms and hinges. A pair of adjustment feet having non-skid frictional engagement surfaces. Each of the adjustment feet configured to rotate about an axis of one of the hinges. A lateral support member disposed upon and longitudinally traversing between an inner wall of each frame member. The support member having a medially disposed pivot. A spring loaded adjustable rung support disposed upon the pivot. A pair of mounting plates disposed on an upper end of each of the frame members. A hinging surface configured to angularly adjust within a slit of the upper end. A mounting surface configured to engage a mounting member of a ladder.
    Type: Grant
    Filed: May 20, 2014
    Date of Patent: May 19, 2015
    Inventor: James A. Calloway
  • Patent number: 9010490
    Abstract: An apparatus to secure a ladder to a ferromagnetic work surface, such as a metal storage tank, comprises a pair of brackets removably attached near the top of the ladder. The brackets are hinged to magnet mounts, which each hold a permanent magnet that releasably holds the ladder in place against the work surface. The apparatus prevents the ladder from slipping while a worker is climbing the ladder or while working from the ladder.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: April 21, 2015
    Assignee: Ladder Safety Magnet, LLC
    Inventor: Tim Mosier
  • Publication number: 20150075905
    Abstract: A ladder is provided having a securing apparatus for securing the ladder to a horizontally extending support structure (e.g., a utility cable), a vertically extending support structure (e.g., a utility pole) or both. In accordance with one embodiment, the securing apparatus includes a pair of spaced apart engagement mechanisms, wherein each engagement mechanism is pivotally coupled with an associated rail of the ladder. Each engagement mechanism includes a frame member, an engagement member pivotally coupled with the frame member and a pole grasping structure coupled with the frame member. In one embodiment, each engagement member is configured to rotate from a first position, wherein an open gate is formed between the engagement member and its associated frame member, to a closed position.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 19, 2015
    Inventors: Jay Ballard, Sean R. Peterson, Gary M. Jonas, N. Ryan Moss, Ryan Crawford, Benjamin Cook, Brian B. Russell
  • Patent number: 8974334
    Abstract: A tensioning assembly having a drive pulley, a tension pulley and a tension adjustment system is provided. The drive pulley has a first drive pulley channel and a second drive pulley channel. The tension pulley has a first tension pulley channel and a second tension pulley channel. The second tension pulley channel is aligned with the first drive pulley channel. The first drive pulley channel and the second drive pulley channel of the drive pulley and the first tension pulley channel and a second tension pulley channel of the tension pulley are configured and arranged to engage and route an endless looped member. The tension adjustment system is coupled to adjust the distance between the drive pulley and the tension pulley to adjust the tension in the endless looped member in relation to the drive pulley.
    Type: Grant
    Filed: October 4, 2012
    Date of Patent: March 10, 2015
    Assignee: D B Industries, LLC
    Inventor: Matthew S. Stephenson
  • Publication number: 20150047924
    Abstract: An apparatus and method of use for a ladder support for use with a ladder, with the ladder support for use between an upper roof and a lower roof with a gutter, wherein the ladder supported is between the lower and upper roofs. The ladder support includes an extension strut that has a channel shaped structure on one end, wherein the channel is operative to receive a ladder rung, with the other end of the extension strut having an angle beam with a primary leg portion and a secondary leg portion, the primary leg portion is attached to the extension strut. Wherein the secondary leg portion is operative to be disposed within the gutter, wherein operationally the ladder support helps to secure the ladder upon the lower roof as the ladder is leaning against the upper roof making the ladder more secure between the lower and upper roofs.
    Type: Application
    Filed: August 17, 2013
    Publication date: February 19, 2015
    Inventor: Donald Alan Graham, SR.
  • Publication number: 20150027812
    Abstract: A safety assembly is provided for placement on a roof of a building, near an edge of the roof, having a ladder restraint, an upstanding barrier, and a counterweight. The ladder restraint has an opening to receive a ladder that provides access to the roof. The opening is sized to restrict left and right sideways movement of the ladder. The upstanding barrier extends on left and right sides of the ladder restraint to block falls by a user. The counterweight is interconnected to both the ladder restraint and the upstanding barrier, and is disposed to prevent forward tipping of the upstanding barrier by the user, and to prevent sideways tipping of the ladder during use, when the safety assembly is placed on the roof and the ladder is received through the ladder restraint. The safety assembly may be assembled on the roof without penetrating the roof's waterproofing membrane.
    Type: Application
    Filed: July 24, 2013
    Publication date: January 29, 2015
    Applicant: NSAFE Engineering Inc.
    Inventors: Chester J. Budziak, Gregory C. Budziak, Adam P. Budziak
  • Publication number: 20140367194
    Abstract: A fixed strand grabber and a removable strand grabber are presented for use on a conventional ladder. The strand grabber includes a hook member connected to a top support and a bottom lever. The bottom lever has a portion that extends past and encloses the open interior of the hook that protrudes from the forward side of the ladder. As the ladder is lowered over a cable, the hooks move upward which in turn causes the bottom lever to rotate upward. A portion of the bottom lever encloses the open interior of the hook thereby locking the cable therein. In this way improved safety is provided as the cable is prevented from accidently slipping out of the open interior of the hook which improves user safety. The system also provides an attachment point for a safety lock. In addition, the removable strand grabber provides a V-brace for using against utility poles.
    Type: Application
    Filed: June 16, 2014
    Publication date: December 18, 2014
    Inventor: Eric C. Bolinski
  • Patent number: 8887867
    Abstract: A convenient ladder stabilization device for holding a ladder in place on a support surface. The device may attach to a lower rung of a ladder and extend and contact the support surface behind the ladder. The device of the present invention acts to secure and stabilize the bottom of the ladder to prevent the base of the ladder from sliding, skidding, or otherwise moving while a user is on the ladder. The present invention further provides for a lightweight and easy to use device that may be removably attached to any conventional ladder. The ladder stabilization device does not require any material alteration to the ladder and thus will not void the warranty of a conventional ladder when used in combination. The present invention improves user safety and reduces the need for having a second individual support the base of the ladder.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: November 18, 2014
    Inventors: Glenda Blazin, Thomas Corley
  • Publication number: 20140326537
    Abstract: Fall restraint equipment comprising a mobile access unit having a mobile platform portion, a ladder portion, and a cage portion. The components of the fall restraint equipment are formed from butterflying, lasering, cutting, bending, and/or stamping continuous pieces of tubular and sheet metal. The components of the mobile access unit are modular and include adapters of varying height that cause the mobile access unit to exhibit varying height.
    Type: Application
    Filed: July 21, 2014
    Publication date: November 6, 2014
    Inventor: Robert Honeycutt
  • Publication number: 20140311826
    Abstract: An integrated ladder stabilizing support that utilizes the flexibility and usefulness of a vehicle to provide for a safe support stabilizer for the base of a ladder. A flush user platform with an upstanding ladder abutment rail has a flat extending tire receiving portion for a vehicle tire to be parked securely anchoring the ladder stabilizing support of the ground. Adjustable tie down strap selectively engages and secures the ladder to the upstanding ladder stabilizing support once positioned there against for safety.
    Type: Application
    Filed: April 4, 2014
    Publication date: October 23, 2014
    Inventor: Maureen Beardman
  • Patent number: 8844675
    Abstract: A portable ladder has two stiles interconnected by rungs. The ladder is provided with a stand off device, including two stand off arm assemblies, each being telescopically inserted into a receiving space. Each stand off arm assembly has a base part and a stand off arm interconnected by a hinge that allows the stand off arm to be pivoted between a position in alignment with the base part and an angled stand off position. The stand off arm assemblies are each configured such that—in extended position—the hinge is located outside the receiving space with the base part being located within said receiving space, and also such that—in retracted position—the base part, the hinge, as well as at least a portion of the stand off arm are located within the receiving space.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: September 30, 2014
    Assignee: Lampe Holding B.V.
    Inventors: Caspar Bernard Lampe, Maarten Olden
  • Publication number: 20140284140
    Abstract: A locking mechanism for selectively securing and unsecuring the linkage of individual ladder sections of a telescopic ladder. The locking mechanism is shifted into a locked position by pivoting a lever toward a first rotational trajectory, urging a track follower in a first direction along a guiding track, and linearly displacing at least one securing rod into an aperture through multiple ladder sections, securing the linkage of the ladder sections. A lever-securing mechanism form-fittingly secures the lever within a bridge element of the locking mechanism when in a locked position. The locking mechanism is shifted into an unlocked position by pivoting the lever toward a second rotational trajectory opposite the first rotational trajectory, urging the track follower in an opposite direction along the guiding track, and linearly displacing the securing rods out from the aperture through the multiple ladder sections, unsecuring the linkage of the ladder sections.
    Type: Application
    Filed: August 30, 2012
    Publication date: September 25, 2014
    Inventor: Gilad Omri
  • Patent number: 8839908
    Abstract: A ladder safety apparatus and methods of using the same are disclosed. An example ladder safety apparatus includes a stabilizer bar for a top portion of a ladder, the stabilizer bar configured to rest on a roof top. The example ladder safety apparatus also includes a balance rail for the top portion of the ladder to provide substantially upright handles for a user to grasp when the ladder is positioned on the roof top. Further, the safety apparatus may be engaged to a ladder using one or more engagement rods.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 23, 2014
    Inventor: Don M. Davis, Jr.
  • Patent number: 8839906
    Abstract: An adjustable span ladder stabilizer has upper, middle and lower elongated tubes fixed in a height-wise stack with rearmost portions of the stack aligned on a planar contact surface for abutment against the ladder side rails. The upper and lower tubes telescope to vary the width of the stabilizer. Left and right elongated tubes extend in a depth-wise direction from the extending ends of their respective sliding tubes. The left and right tubes telescope to vary the depth of the stabilizer. A channel of C-shaped cross-section fixed to the rear face of the stack receives one of the ladder rungs between its flanges and a ratchet tie-down fixed to the front face of the stack tautly secures the stabilizer stack against the ladder side rails. The left and right sliding tubes can be inverted to permit the stabilizer to be rested against flat or corner walls.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: September 23, 2014
    Inventor: Ricky Jason Furr
  • Patent number: 8839907
    Abstract: A ladder safety apparatus and methods of using the same are disclosed. An example ladder safety apparatus includes a stabilizer bar for a top portion of a ladder, the stabilizer bar configured to rest on a roof top. The example ladder safety apparatus also includes a balance rail for the top portion of the ladder to provide substantially upright handles for a user to grasp when the ladder is positioned on the roof top. The balance rail and the stabilizer bar are formed as a unitary structure.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: September 23, 2014
    Inventor: Don M. Davis, Jr.
  • Publication number: 20140262617
    Abstract: A free-standing ladder includes a pair of rails connected to one another by rungs or steps. A ladder foot is located on at least a first end of each rail. The ladder may be erected in such a way that it bears on the ground with a contact area of the ladder feet.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Inventors: Gerhard Mülller, Rudolf Pfeifer, Gerd Weinhold, Charlos Schmidt
  • Publication number: 20140262615
    Abstract: A bracket assembly for supporting a ladder positioned substantially orthogonal to a wall. The bracket assembly includes a body portion for engagement with one or more parts of the ladder, to support the ladder and to at least partially locate the ladder in a predetermined position relative to the wall. The bracket assembly also includes an attachment subassembly secured to the body portion, for releasable attachment to the wall.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Inventor: G. Michael Copp
  • Publication number: 20140262616
    Abstract: A system for retaining a leash or other equipment or implement to a structure, such as a building, includes a clamp, a spool connected to the clamp, a leash wrapped on the spool, the leash has a first end connected to the spool and a second end extendable from the spool, a spring connected to the spool, the spring biases the spool to retrieve the leash when extended from the spool, and a leash clutch connected to the clamp. The leash clutch is engaged to brake the leash to limit extension and retraction of the leash on the spool. The leash is attachable to a fixture of the structure to maintain the ladder or other equipment or implement positioned in respect to the structure.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Inventor: Nathaniel Ray Cullum
  • Publication number: 20140262612
    Abstract: A modular ladder includes interconnectable segments that have utility conduit sections fixed thereto. The conduit sections interconnect to form a utility conduit when the ladder is assembled, thereby allowing safe use of a utility at any ladder height, without the inherent risks and inconvenience of providing a separate conduit. The conduit sections are separated when the ladder is disassembled, thereby saving time, effort, and storage space. In various embodiments, the modular ladder can be configured as any of a step ladder, single ladder, articulated ladder, combination ladder, extension ladder, fixed ladder, mobile ladder stand, and ladder stand platform, among others. Angle-adjusting accessories can enable assembly of the modular ladder in free-standing configurations. Addition of various accessories can provide casters, tilt stabilizers, and trays optimized for various tasks, thereby allowing a user to purchase accessories to expand the modular ladder's capabilities over time.
    Type: Application
    Filed: December 18, 2013
    Publication date: September 18, 2014
    Inventor: Arthur M. Rabert
  • Publication number: 20140209410
    Abstract: Device (1) for securing portable steps in building and civil engineering works, which enhances the safety thereof, minimizing the risk of falling. This device is affixed to the longitudinal members (4) or crossmembers (5) of the steps and to the support article (3), using clips. In order to affix the clips securely, the device (1) rotates and moves the clips in the three spatial axes (X,Y,Z). In order for it to be possible to correctly affix the device to different articles, be these of different form or material, there are likewise different support elements (28). The device is removable and more than one thereof can be used on the same steps. This device secures portable steps to articles such as floor slabs, sloping roofs, pillars, posts or trees.
    Type: Application
    Filed: August 3, 2012
    Publication date: July 31, 2014
    Inventor: Javier Villar Cloquell
  • Publication number: 20140202793
    Abstract: Adjustable ladders may include a pair of side rails having a plurality of rungs extending therebetween, and a pair of adjustable legs associated with the side rails. A pair of swing arms may include a first end pivotally coupled with a side rail, or a bracket associated with the side rail, as well as a second end pivotally coupled with an adjustable leg. The swing arm may be configured as a nonlinear structure. In one embodiment, the swing arm may include a first section that extends from a second section at a defined angle. The first and second sections may exhibit different lengths. Adjustment mechanisms may be pivotally coupled with an upper end of the adjustable legs. In one embodiment, the adjustment mechanisms may be configured such that, when actuated, they may be displaced in one direction while resisting displacement in a second, opposite direction.
    Type: Application
    Filed: January 24, 2014
    Publication date: July 24, 2014
    Applicant: Wing Enterprises, Incorporated
    Inventors: Gary M. Jonas, Gary Landon Worthington, Sean R. Peterson, N. Ryan Moss, Benjamin K. Jackson
  • Patent number: 8783415
    Abstract: A safety device for a ladder and one or more support platforms disposed upon an underlying roof surface comprising a panel member having a top side, a bottom side, a back edge portion, a first side edge portion, a second side edge portion, and a front U-shaped edge portion with laterally spaced-apart forwardly extending arms for positioning a ladder there between to contain the ladder and prevent its lateral movement beyond the arms. The panel member and the support platform each has the means in cooperating relation to attach the panel member to the support platform in releasable engagement to enable the panel member and the support platform to easily disconnect and reconnect to further enable the adjustment of the positioning of the panel member relative to one or more adjacently or closely placed support platforms situated along or near the edge of said roof surface.
    Type: Grant
    Filed: July 24, 2012
    Date of Patent: July 22, 2014
    Inventor: Russell N. Bancroft
  • Patent number: 8776948
    Abstract: A system of increased safety when performing work using a ladder is described. The system includes a ladder bracket for temporarily attachment of a ladder to a structure to stabilize or secure the ladder. The bracket is easy to install and acts to limit or prevent slippage of the ladder laterally or away from the structure and generally promotes a greater margin of safety. In addition, the system includes a bracket for temporarily, yet securely, attaching a safety railing to a ladder. A guardrail carriage for securing a person to a rail via a tether is further provided.
    Type: Grant
    Filed: August 12, 2011
    Date of Patent: July 15, 2014
    Inventor: John R. Svehlek
  • Publication number: 20140174853
    Abstract: A ladder safety device is usable for holding and stabilizing a ladder in a safe and stable manner while being used, by way of securing a ladder relative to continuous horizontal guttering at the edge of a building. The device locks to the gutter by way of locking jaws and is secured to the side rail of a ladder by way of an adjustable locking bar—said locking bar being adjustable in lateral and normal directions. One jaw is also adjustable. The jaws interact by an over-center relationship with each other. A trigger and locking mechanism secures the jaws in a closed position while in use.
    Type: Application
    Filed: October 7, 2013
    Publication date: June 26, 2014
    Inventor: Craig R. Charlton
  • Publication number: 20140166397
    Abstract: A ladder stabilization clamp consisting of a structure attachment assembly having adjustable upper and lower jaws, a ladder attachment assembly having an adjustable ladder clamp and an adjustable base to change the overall length of the ladder stabilization clamp. The ladder stabilization clamp is used to secure any type of ladder to a structure by clamping the adjustable ladder clamp to a portion of the ladder, adjusting the overall length of the ladder stabilization clamp to the distance from the ladder to a support structure and adjusting the upper and lower jaws to clamp onto the support structure. The adjustability of the ladder stabilization clamp allows it to be used on all commercially available ladders and most support structures. The ladder stabilization clamp provides safety and security while using a ladder by keeping the ladder stable by firmly securing it to a support structure.
    Type: Application
    Filed: December 9, 2013
    Publication date: June 19, 2014
    Inventor: Chad Reynolds
  • Patent number: 8752671
    Abstract: A portable, collapsible, free-standing device for use by a rider to access the saddle stirrup when mounting a horse. The device has a center support pole with a handle on one end and a base on the other. Two folding steps are each pivotally mounted to spaced-apart brackets attached to the pole, to assist the rider to reach the stirrup. Several folding legs are mounted to a collar attached to the center pole in order to stabilize the device. The legs can be configured with extensions so that the device can be leveled on uneven terrain. Pivoting foot pads can be attached onto the ends of the legs. A rope is attached to the handle so that the device can be pulled up after the rider has mounted the horse, whereupon the device can be folded and collapsed for storage on the horse.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: June 17, 2014
    Inventor: Diane Henderson Holman
  • Patent number: 8752672
    Abstract: A standoff device and ladder designed for positioning with respect to a supporting structure, the standoff is temporarily and rigidly attached to the upper end of a ladder for the purpose of holding the ladder away from the structure against which the ladder is leaning to provide more stability and a comfortable distance between the user and the structure during tasks such as painting, power washing a house, working with gutters, carpentry, roofing, tree trimming and pruning. The standoff comprises a pivotal frame which is moveably and adjustably secured to a selected rung of the ladder with the pivotal movement limited by a chain, rope, strap, strut, telescoping member, or other holding element attached to a lower portion of the ladder such as a lower rung. The standoff device includes a frame having extendable legs with padded rollers journalled on the end in a “V-shape” for leaning against various shapes of vertical support structures such as walls of a building, columns or trees.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: June 17, 2014
    Inventor: Christopher D. Turner
  • Patent number: 8733503
    Abstract: An extension ladder stabilizer includes a ladder rung engagement rod having threads along at least a portion of its length and configured to be disposed in and project from each end of a hollow tubular rung of an extension ladder, a pair of internal supports having a substantially gear shaped hole in each, a pair of external supports having a substantially gear shaped boss with a through hole on a first face and an anchor channel on a second face opposite the first face on each, and a pair of ground engagement members. In a ladder stabilizing configuration, the extension ladder stabilizer is installed on a ladder and the ground engagement members are passed through the anchor channels and into the ground to secure the ladder from side slipping, kicking back, and kicking over when in use.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: May 27, 2014
    Inventor: Richard David Spencer
  • Publication number: 20140102827
    Abstract: A ladder is provided comprising a first pair of spaced apart rails and a plurality of rungs extending between and coupled to the first pair of spaced apart rails. A pair of hooks are located such that each hook is positioned adjacent and upper end of an associated rail. A securing apparatus is coupled adjacent the upper end of the first pair of spaced apart rails. The securing apparatus includes a pair of spaced apart engaging members and may include a cross-member coupled therebetween. Each of the engagement members is pivotal with respect to an associated rail of the first pair of spaced apart rails. In one embodiment, the securing apparatus lacks any biasing members (e.g., springs or actuators) or locking members. The engagement members and hooks cooperatively encircle and overhead, generally horizontal support member to support and secure the ladder in a desired position.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 17, 2014
    Applicant: Wing Enterprises, Incorporated
    Inventors: Brian B. Russell, N. Ryan Moss, Sean R. Peterson, Darius S. Penrod, Ryan Crawford, Gary Jonas
  • Publication number: 20140096367
    Abstract: A magnetic clamp attachment assembly for securing a ladder arrangement to a ferromagnetic surface is disclosed where the ladder arrangement comprises two spaced apart side members and at least one rung extending between the side members. The magnetic clamp attachment assembly includes a spacer member sized and configured to extend over the spaced apart side members of the ladder arrangement and magnetic attachment means for attaching the spacer member and securing the ladder arrangement to the ferromagnetic surface.
    Type: Application
    Filed: October 9, 2013
    Publication date: April 10, 2014
    Inventors: Ian Godfrey HEARD, Adrian Edward HEARD
  • Patent number: 8662252
    Abstract: A carriage assembly includes a carriage frame, a caster, and a first jack body coupled to the carriage frame and the caster. The first jack body has a longitudinal axis. The first jack body is configured to selectively move the caster with respect to the carriage frame along the longitudinal axis.
    Type: Grant
    Filed: June 6, 2009
    Date of Patent: March 4, 2014
    Inventor: David Ogden
  • Publication number: 20140054111
    Abstract: A ladder balance adjusting apparatus installed on an n-shaped ladder leg includes an assembly, a base cover, a fixing element, a base cup, a stand rod, and a control element. The assembly has a first component and a second component, and the second component has a side and a bottom to form an L-shaped structure, and after the ladder leg is installed between the two components, the ladder leg is locked by a plurality of locking elements. The base cover is coupled to the assembly and the base cup, and the fixing element is built in the base cover, and the stand rod is provided for passing the aforementioned elements to support the ladder leg, and the control element is provided for controlling the fixing element to adjust the height of the ladder leg, and to simplify the manufacturing process of components, the installation and disassembly of the apparatus.
    Type: Application
    Filed: August 27, 2012
    Publication date: February 27, 2014
    Inventor: WEN-HUA LU