Plural Rung-engaging Patents (Class 182/121)
  • Patent number: 10900283
    Abstract: A ladder platform system and a ladder that uses that system include an elongated first center post that is configured to pass through a first hollow rung of a ladder. In addition, an elongated secondary post is configured to pass through a second hollow rung of the ladder. There is also a pair of short frame members and a pair of long frame members that together form a rectangular frame. The long frame members are attached to the first center post. A first platform is connected to the rectangular frame and an adjustable frame member connects the secondary post to the first center post. In addition, a brace connects a first short frame member to the adjustable frame member.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: January 26, 2021
    Inventor: Daniel J. Sheets
  • Patent number: 10738533
    Abstract: The Portable Ladder Platform is an innovative, convenient, sturdy portable ladder accessory for those who use a standard portable straight or extension ladder. The assembled invention provides a comparatively larger platform area for a more comfortable secure stance for anyone needing to work on a ladder for extended time. This invention abandons common platform arrangements that place the user standing outside the ‘safe zone’ (i.e., the area directly over the supporting rung, between the ladder side rails). A creative scheme includes the Locking Handle and the Horizontal Adjustment Screw which together secure the platform to the ladder during use. Emphasis toward user safety is reflected in elements reducing dangerous slipping and promoting platform stability. This ladder platform requires no tools to mount, moves easily and quickly from one level to another, and when mounted does not restrict ladder usage when stepping above or below the platform.
    Type: Grant
    Filed: March 24, 2018
    Date of Patent: August 11, 2020
    Inventors: Shauna L. Weyrauch, Walter A. Weyrauch
  • Patent number: 10718120
    Abstract: A scaffold tool bucket holder for attaching and detaching to the side rail of a scaffold for supporting a bucket containing working materials and reduces or eliminates the risk of injury. The scaffold tool bucket holder comprises planar portion having a top surface and a bottom surface and an upwardly extending side wall along the peripheral of the top surface of the planar portion. The planar portion includes an opening adapted for receiving a bucket therein. Integrally formed along the back wall are attachment apparatus adapted to hook over a scaffold rail forming a frictional fit with the scaffold tray that is effective for maintaining the scaffold tool bucket holder in position on the scaffold rail.
    Type: Grant
    Filed: July 30, 2018
    Date of Patent: July 21, 2020
    Inventor: Wade Haney
  • Patent number: 10662706
    Abstract: A workstation for supporting work articles at an elevated position comprising a base plate; a workstation mount connected to the base plate and configured to selectively mount the workstation on one of a ladder and a railing; and at least one tray sized and arranged for being inserted into the at least one tray opening and thereby installed in the workstation, the at least one tray being selectively removable from the tray opening to separate the tray from the base plate.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: May 26, 2020
    Assignee: Heff Industries Inc.
    Inventor: Matthew Paul Heffernan
  • Patent number: 10577863
    Abstract: An article comprising: (i) a tray having one or more through holes extending from a work surface of the tray to an opposing surface of the tray through a thickness of the tray; and (ii) one or more lines routed through the one or more through holes to support the opposing surface of the tray, each of the one or more lines connected to a locking mechanism, wherein the one or more locking mechanisms are adapted to secure the article to an object in a suspended state, the suspended state having the tray hanging by the one or more lines.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: March 3, 2020
    Inventor: John Garfield
  • Patent number: 10519715
    Abstract: An intermediate rung apparatus for use with a ladder includes a first hook, legs, and an intermediate rung. The first hook is configured to extend over a rung of the ladder and couple the intermediate rung apparatus to the ladder. The intermediate rung apparatus also includes legs extending from the first hook. The legs are configured to extend in a downward direction substantially parallel to vertical supports of the ladder when the intermediate rung apparatus is coupled to the ladder. The intermediate rung apparatus further includes an intermediate rung connected to the legs and configured to extend in a direction substantially parallel to the rung of the ladder when the intermediate rung apparatus is coupled to the ladder. In some embodiments, a mount may be used to support the intermediate rung apparatus and/or the ladder.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: December 31, 2019
    Inventors: Patrick Michael Davis, Jason Bodart
  • Patent number: 10487579
    Abstract: A ladder rung extension assembly includes a bracket assembly including a first pin, a second pin, a pair of mounting assemblies, a pair of first bracket portions extending between the first pin and the second pin, and a pair of angled bracket portions, each of the angled bracket portions extending between the second pin and a respective mounting assembly of the pair of mounting assemblies, a first rung extension assembly having a pivot portion rotatable about the first pin, and a second rung extension assembly having a pivot portion rotatable about the second pin. The ladder rung extension assembly may be engaged with a ladder and have an open position corresponding to the ladder in a deployed position and a closed position corresponding to the ladder in a stored position.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: November 26, 2019
    Assignee: INVENT 7, LLC
    Inventor: Arsenio Rodriguez
  • Patent number: 10358832
    Abstract: A shelf apparatus configured for temporary attachment to a ladder deployed in a working position includes a planar tray supported at its inboard end by a rung or top plate of the ladder, left and right support arms pivotably attached to opposite sides of the tray near its inboard end, a rigid linkage coupling the tray to the left and right support arms, and an adjustable clamping mechanism for clamping the tray to the rung or top plate. In use with a straight ladder, the tray is horizontally suspended under the inclined frame of the deployed ladder, the support arms are raised to rest against the inclined rails of the ladder above the tray, the rigid linkage vertically supports the tray from the support arms, and the clamping mechanism secures the tray to the rung.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: July 23, 2019
    Inventor: Charles Michael Wagner
  • Patent number: 10352098
    Abstract: A step platform for use with a stepladder having front and back legs. The front leg has a plurality of steps. The step platform includes a tread portion connected to a locking portion. The tread portion has a front portion configured to rest upon a selected one of the steps and a back portion configured to extend from the front portion toward the back leg beyond the selected step. The locking portion extends alongside a front portion of the selected step and at least partially wraps around a lower edge of the front portion.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: July 16, 2019
    Inventor: Alan Charles Frensley
  • Patent number: 10119332
    Abstract: A compact folding utility platform having a rung attachment attaching to the rung. A shelf folds from a vertical support, forming a work platform. A rung attachment is attached to the vertical support. In one embodiment, the rung attachment expands inside the rung of a ladder and is frictionally retained. In another embodiment, a rung attachment mechanism having fingers pivotally moves into position around the rung. Tabs placed in the vertical support may be used to hold the handle of a paint can. Other work tools may be placed on the shelf.
    Type: Grant
    Filed: October 30, 2014
    Date of Patent: November 6, 2018
    Inventor: Thomas E. Schellens
  • Patent number: 10046843
    Abstract: A method of installing interior modules to support structures in an aircraft fuselage comprises attaching fixed ends of a plurality of tie rods to the support structures; and determining installation length of the tie rods, installation spacing between free ends of the tie rods, and installation orientation of the tie rods prior to positioning the interior module for installation. The method further comprises securing tie rod holding fixtures to the tie rods to hold the spacing and orientation at or near final configuration to facilitate installation of the interior modules.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: August 14, 2018
    Assignee: The Boeing Company
    Inventors: Joseph L. Doran, Andrew R. Hackett, Jr., Mark J. Nadvornick
  • Patent number: 9938714
    Abstract: A device for compensating for the natural shrinkage of building materials includes a hinged expander mounted on an elongate base plate. The base plate includes a plurality of spaced apart teeth on each longitudinal end that define a notch between each pair of adjacent spaced teeth. The hinged expander included two leafs that are joined at an apex in a hinged relationship. Each leaf has an outer edge configured for receipt within a notch in the base plate. Apex is biased in a direction away from the base plate. The teeth prevent outward movement of the leaf edges while permitting inward movement. The base plate is securely fastened to a first building member. A fastener is longitudinally fixed relative to a second building member and the apex of the hinged expander but not fixed longitudinally relative to the base plate and first building member.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: April 10, 2018
    Assignee: OMG, Inc.
    Inventor: Mark A. Dicaire
  • Patent number: 9677336
    Abstract: A removable ladder step for providing a load support mountable to rung-ladders that have various rung cross-sections and/or various side rail depths. The removable ladder step has a load-supporting structure and a pair of adjustable holding devices connected thereto. The load-supporting structure has an upper wall connected to a front wall and to a rung-engaging wall. The upper wall configured to support a load thereon. A base member in a form of an elongated body is connected to the front wall and to the rung-engaging wall. An engaging space is formed in the rung-engaging wall for receiving and engaging a rung. Each of the adjustable holding devices has a holding member and a rail spacer connected thereto. The rail spacer is used to control a distance between a side rail and the holding member to accommodate ladders having various side rail depths.
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: June 13, 2017
    Inventor: Abid Ali Najey
  • Patent number: 8181925
    Abstract: A ladder mountable paint can holding assembly includes a panel that has a front side, a back side, a first lateral edge and a second lateral edge. A pair of support engagement members is attached to the panel. One of the support engagement members is positioned adjacent to the first lateral edge and one of the support engagement members is positioned adjacent to second lateral edge. Each of the support engagement members is configured to releasably engage one of the supports of the ladder. A receiving wall for supporting a paint can is attached to and extends outwardly from the front side. The receiving wall has an upper surface orientated perpendicular to the front side. The support engagement members are configured to engage a pair of supports of a ladder at an angle to retain the receiving wall in an approximately horizontal orientation.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: May 22, 2012
    Inventor: Roger D. Miville
  • Publication number: 20120061179
    Abstract: A telescoping ladder jack includes a housing and telescoping beam matingly inserted into and extracted from the housing such that a first desired effective length of the beam is extracted from the housing. A first locking mechanism fixes the beam at the first length. A bracket defines opposing first and second ends (the first end pivotally attached to an end of the housing) and is mounted to a ladder to mount the jack to the ladder. A telescoping tube is mounted to the housing. An adjustable brace is matingly inserted into and extracted from the tube such that a second desired effective length of the brace is extracted from the tube. An end of the brace is pivotally mounted to the second end of the bracket. A second locking mechanism fixes the brace at the second length and housing to a desired angle of incline with respect to the bracket.
    Type: Application
    Filed: October 31, 2011
    Publication date: March 15, 2012
    Inventor: Jody James English
  • Patent number: 8047330
    Abstract: A telescoping ladder jack supports a scaffolding plank and comprises a main member. A telescoping beam includes longitudinally spaced holes on each side of the telescoping beam and is inserted into or extracted from the main member. A locking mechanism is mounted to the main member and inserted into one of the holes to fix the telescoping beam at a desired length extracted from the main member. Ladder rung hooks are attached to a first bracket, which receives and is pivotally attached to the main member and has one of the hooks attached to each opposing end of the first bracket. A device for adjusting incline includes a second bracket mounted to a bottom of the main member (the second bracket including at least one series of recessed locking joints) and a bracing arm movably fastened to the second bracket by a locking pin oriented through a first end of the bracing arm and pivotally mounted to the first bracket at a second end of the bracing arm.
    Type: Grant
    Filed: December 29, 2005
    Date of Patent: November 1, 2011
    Inventor: Jody James English
  • Patent number: 8033362
    Abstract: A caddy apparatus designed to hold paint, construction items, supplies, tools and other materials while on an extension ladder without interfering with the safety of the person standing on the ladder is herein disclosed. The apparatus uses a dimensioned dowel rod which is selectably placed through the hollow cavity of the ladder rungs and extends through to either side where it is used to support the apparatus. The apparatus comprises a “U”-shaped bracket, which is supported on the dowel rod in any one of three closely-spaced hanging tubes. The base of the bracket provides a large flat tray for use in holding materials while working on the extension ladder. The use of said caddy allows workers on extension ladders quick access to tools, supplies and materials in an efficient and safe manner.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: October 11, 2011
    Inventor: Gerald R. Cull
  • Patent number: 7861826
    Abstract: The present disclosure relates to platforms for ladders. More particularly, the present disclosure relates to a platform configured to be coupled to rungs of the ladder.
    Type: Grant
    Filed: August 30, 2007
    Date of Patent: January 4, 2011
    Assignee: Cosco Management, Inc.
    Inventors: Thomas J. Meyers, Paul F. Meyers
  • Publication number: 20080053751
    Abstract: The present disclosure relates to platforms for ladders. More particularly, the present disclosure relates to a platform configured to be coupled to rungs of the ladder.
    Type: Application
    Filed: August 30, 2007
    Publication date: March 6, 2008
    Applicant: COSCO MANAGEMENT, INC.
    Inventors: Thomas J. Meyers, Paul F. Meyers
  • Patent number: 7077238
    Abstract: A ladder caddy for holding tools, small parts, and the like for a workman on a ladder includes four curved cradles for holding the caddy to the ladder, two of the cradles holding consecutive and respective rungs of the ladder when the caddy is mounted in a first position, and two of the cradles holding consecutive and respective rungs of the ladder when the caddy is mounted in a second position inverted and upside down from the first position. The caddy includes a tool holding structure extending outwardly from the ladder at an angle of approximately 15 degrees offset from perpendicular so that when the caddy is mounted on a leaning ladder the structure extends approximately horizontally. The caddy includes a clamp for clamping to the ladder, integrally formed tool holders, and a variety of accessories that mate with the caddy body.
    Type: Grant
    Filed: July 17, 2004
    Date of Patent: July 18, 2006
    Inventors: David C. Butler, Clint L. Dixon
  • Patent number: 6942063
    Abstract: In combination with an extension ladder, an L-shaped bracket is provided. The bracket has at least one first leg longer than the distance between successive rungs of the ladder. The first leg is placed on one side of an upper rung and on the other side of a next lower rung. A short leg integral with the first leg projecting generally at right angles to the first leg, is placed on top of the upper rung and extends beyond the rung. It is adapted to support an accessory, such as a paint can or a tray. A clamp on the projecting leg insures against dislodgement of the holder. In the preferred embodiment, two L-shaped brackets are connected to an accessory carrying bar that projects beyond the sides of the rails of the ladder, and the clamp includes a plate wedging between the bar and a rail of the ladder.
    Type: Grant
    Filed: August 11, 2003
    Date of Patent: September 13, 2005
    Inventor: Joseph T. Huett, Jr.
  • Patent number: 6926241
    Abstract: A number of roofing accessories, including a lightweight adjustable ladder and scaffold support are disclosed. The scaffold support includes a pair of rails at the standard spacing of most roof joists. Rods, connected to the rails, support an adjustable platform. An apparatus is also provided for supporting loads of materials or supplies on an inclined roof, using components and parts in common with the scaffold support, or components and parts similar thereto. A tool tray is provided which may be backed with a layer of foam to prevent the tray from slipping off the roof, while allowing the tray to be freely moved along and up and down the roof, as work progresses. In another embodiment of the present invention, a cooling system is provided to spray water on the face and neck area of an individual.
    Type: Grant
    Filed: March 17, 2003
    Date of Patent: August 9, 2005
    Assignee: Roofmates, Inc.
    Inventor: Robert Garrett
  • Patent number: 6848540
    Abstract: An apparatus for attachment to the rungs of a ladder to securely hold a bucket and other accessories. The apparatus is readily detachable from the ladder rungs for movement along the ladder. The apparatus includes engagement members for gripping the ladder rungs and a spring for biasing the engagement members against the ladder rungs. The apparatus may have a pivotable arm to which a variety of accessories may be attached.
    Type: Grant
    Filed: May 21, 2003
    Date of Patent: February 1, 2005
    Inventor: Kevin L. Kvam
  • Patent number: 6793041
    Abstract: A device for leveling a ladder on unlevel or uneven surfaces that includes a wedge shaped support member and features for safely retaining a ladder on a sloped top surface of the support member. Features include a rail, a slip resistant coating on the top surface, and a slip resistant tread on a bottom surface, the tread having a plurality of ribs. To prevent sliding on hard surfaces, the rubber grip tread preferably consists of a hard, substantially nonresilient rubber. To prevent sliding on soft surfaces, the device has a pair of retaining member bores and retaining members. Retaining member storage bores prevent the retaining members from being lost. A finger hold assists in removing the retaining members from a support surface. A ladder hanger bore assists in storing and transporting the device. Imprinted indicia prevent misuse of the device.
    Type: Grant
    Filed: February 7, 2003
    Date of Patent: September 21, 2004
    Inventor: Tony V. Taylor
  • Patent number: 6786300
    Abstract: A unitary step unit has a generally rectangular main body portion with opposed transverse ends and laterally opposed sides. One end is bent downward and angularly outward with respect to the main body portion and terminates in a short upturned lip that extends angularly upward and inward. The step unit is removably installed on the existing step of a conventional ladder having channel-shaped steps by engaging the upturned lip against the bottom edge of the down-turned longitudinal side of the step and then pivoting the unit downwardly such that the upturned lip of the unit is captured on the bottom edge of the down-turned longitudinal side of the step and its main body portion is supported on top of the step and extends a distance rearwardly beyond the width of the step in cantilever fashion to provide a relatively wide flat foot-supporting surface.
    Type: Grant
    Filed: February 20, 2003
    Date of Patent: September 7, 2004
    Inventor: Raymond Perez Bonifacini
  • Patent number: 6766880
    Abstract: A portable elevated observation chair apparatus comprises a rope ladder releasably attached on each side of a top end thereof to laterally separated elevated support locations and releasably attached on each side of a bottom portion to laterally separated bottom support locations. The attachments cause the rope ladder to resist twisting away from the forward facing direction. A bottom end of the rope ladder is located forward of the top end thereof such that lower rungs of the rope ladder are forward of higher rungs. A flexible chair is attached between upper and lower adjacent rungs located in proximity to the top end of the rope such that a seat is provided by the flexible chair between the rungs. Conveniently the support locations are provided by trees, and the apparatus may be rolled up in a compact bundle and readily carried through treed areas.
    Type: Grant
    Filed: August 8, 2002
    Date of Patent: July 27, 2004
    Inventor: Dean LePage
  • Patent number: 6761246
    Abstract: A mounting system mounts a work platform to a ladder that includes a plurality of rungs, such that the work platform is elevated a distance above the ground. The mounting system includes a support system, a rod, and a suspension mount. The support system includes a plurality of members, wherein the members include at least a first member and a second member. The first member is mounted substantially perpendicularly to the second member and includes a first end and a second end. The first member first and second ends include a plurality of first openings that extend therethrough. The second member is configured to attach to the work platform, and includes a first end and a second end. The second member first and second ends include a plurality of second openings that extend therethrough. The support system is configured to attach to the ladder. The rod is configured to secure the support system to the ladder, and is further configured to extend through one of the ladder rungs.
    Type: Grant
    Filed: July 27, 2001
    Date of Patent: July 13, 2004
    Inventor: Dennis I. Bowles
  • Patent number: 6688570
    Abstract: The invention is a portable, lightweight, utility/tool tray designed to safely and reliably hold tools and supplies on a general use extension ladder. The utility/tool tray is a sturdy, self contained device whose base area will have an area for tool storage located in front and a larger, general area in the rear for miscellaneous items, including, but not limited to, a typical one gallon container of paint. The utility/tool tray device is designed to be easily hung on two vertically adjacent steps of the ladder so when in use, the base area of the device remains essentially horizontal and provides for the support of, as well as easy access to, the various tools and supplies of the user, while the user is performing work on the ladder.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: February 10, 2004
    Inventor: Larry Bruce Mundt
  • Patent number: 6681893
    Abstract: A ladder standoff device including first and second support bracket assemblies operably coupled to a ladder, wherein the first and second support bracket assemblies are operably coupled to one another, and rotatable stabilization devices secured to respective first and second support bracket assemblies, such that the rotatable stabilization devices operably bear against a respective surface to support an upstanding portion of the ladder.
    Type: Grant
    Filed: May 10, 2002
    Date of Patent: January 27, 2004
    Inventor: Lonnie Coulson
  • Patent number: 6662902
    Abstract: A worker back support which is laterally and slidably attached to a scaffold plank. The back support has a grip which is releasably attached about the waist of the worker. The back support provides the worker with backward support and a safe attachment to the scaffold. A high pressure hose used for washing or sand blasting a wall surface may be attached to and braced by the back support, thereby reducing the working pressure on a worker.
    Type: Grant
    Filed: April 9, 2002
    Date of Patent: December 16, 2003
    Inventor: Barry K. McGuire
  • Patent number: 6637548
    Abstract: A personal stand incorporating a ladder, a user supporting platform and a load sensitive pliant suspender that is easily adapted for use with an extension ladder. The personal stand improves the user's footing as well as the user's comfort. Pliancy of the suspender allows the user to move the platform, without requiring the user to dismount the ladder. When sufficient load is applied to the platform, the pliant suspender is transiently transformed into a rigid suspender yoking an upper rung of the ladder.
    Type: Grant
    Filed: April 30, 2002
    Date of Patent: October 28, 2003
    Inventor: Edward L. Pass
  • Publication number: 20030019689
    Abstract: A portable lifting apparatus is disclosed wherein the apparatus is adapted to be used in combination with a runged-ladder. The apparatus comprises a rigid frame having a rearward end and a forward end. The rearward end is engaged to a first rung of the ladder. The forward end is retained by the user. A foldable brace connects to a second rung of the ladder to provide additional support. The apparatus is manually positioned by a user standing on a roof or elevated structure. Maintaining the device in a generally horizontal orientation, the user activates an electrically driven winch raising or lowering a load. A brace is pivotally attached to the frame, the brace having a pivoting end and a locking end. The locking end is adapted to engage a second rung of the ladder. The brace may be folded against the rigid frame.
    Type: Application
    Filed: September 19, 2002
    Publication date: January 30, 2003
    Inventor: Dannie l. Dorsett
  • Patent number: 6467577
    Abstract: An open tool box with a cover positionable over a portion of the box. The cover is adapted to hook onto the top of a step ladder.
    Type: Grant
    Filed: April 12, 2001
    Date of Patent: October 22, 2002
    Inventor: Edward A. Charlebois, Jr.
  • Patent number: 6454049
    Abstract: A portable lifting apparatus, removably attached to a ladder, comprising an electrically powered winch mounted on a rigid frame having a pivotally attached brace.
    Type: Grant
    Filed: August 31, 2000
    Date of Patent: September 24, 2002
    Inventor: Dannie L. Dorsett
  • Publication number: 20020121407
    Abstract: A personal stand incorporating a ladder, a user supporting platform and a load sensitive pliant suspender that is easily adapted for use with an extension ladder. The personal stand improves the user's footing as well as the user's comfort. Pliancy of the suspender allows the user to move the platform, without requiring the user to dismount the ladder. When sufficient load is applied to the platform, the pliant suspender is transiently transformed into a rigid suspender yoking an upper rung of the ladder.
    Type: Application
    Filed: April 30, 2002
    Publication date: September 5, 2002
    Inventor: Edward L. Pass
  • Patent number: 6431509
    Abstract: The paint can holder is adapted for mounting on the rungs of a ladder and holding a paint can thereon while allowing the painter to attend to his work with both his hands free. The holder comprises a vertically mountable elongated member which has a curved part at the top, which is shaped to engage an upper rung of a ladder. The elongated member also has an attachment at its bottom end, which is constructed to snappingly engage a lower rung. The elongated member comprises a support which is provided between the curved part and the attachment. The holder comprises a brace which is arranged to hold the paint can and to be fixed along the elongated member. A paint brush handle holder may be provided along the curved part of the elongated member.
    Type: Grant
    Filed: October 13, 2000
    Date of Patent: August 13, 2002
    Inventor: Pierre Proulx
  • Patent number: 6401862
    Abstract: A stepladder organizing assembly for increasing a surface area of a head step of a stepladder includes a base portion with a top surface and a bottom surface. A peripheral shoulder is integral to and extends away from each of a plurality of sides. A lip is integral to and extends away from an edge of the shoulder in a direction opposite of the top surface. The shoulder has a plurality of channels therethrough. Straps removably secure the base portion to the head step. At least one tray extension, comprising a block, extends a surface area of the head step. The block has a top wall, a bottom wall, a first side wall and a second side wall. A flange extends away from the first wall. A plurality of protruding members extends away from the flange. The protruding members may be removably placed in the channels.
    Type: Grant
    Filed: July 14, 2000
    Date of Patent: June 11, 2002
    Inventor: Jean Caron
  • Publication number: 20020043427
    Abstract: A mounting system mounts a work platform to a ladder that includes a plurality of rungs, such that the work platform is elevated a distance above the ground. The mounting system includes a support system, a rod, and a suspension mount. The support system includes a plurality of members, wherein the members include at least a first member and a second member. The first member is mounted substantially perpendicularly to the second member and includes a first end and a second end. The first member first and second ends include a plurality of first openings that extend therethrough. The second member is configured to attach to the work platform, and includes a first end and a second end. The second member first and second ends include a plurality of second openings that extend therethrough. The support system is configured to attach to the ladder. The rod is configured to secure the support system to the ladder, and is further configured to extend through one of the ladder rungs.
    Type: Application
    Filed: July 27, 2001
    Publication date: April 18, 2002
    Inventor: Dennis I. Bowles
  • Patent number: 6328130
    Abstract: An accessory for releasably securing to a ladder. The accessory has at least one stabilizing arm for stabilizing and supporting the ladder when leaned against a building or structure. The stabilizing arm has a generally U-shaped configuration with a pair of generally parallel leg members that are spaced apart by a distance approximating the distance between the centers of adjacent ladder rungs. Each of the leg members ends in a ladder rung engaging member having a fore and an aft end, and is receivable within the hollow interior of a ladder rung. The ladder rung engaging members are oriented in a convergent configuration such that inserting them the hollow interiors of a pair of ladder rungs causes the fore and aft ends of the ladder rung engaging members to bind against opposite sides of the interior surfaces of the ladder rungs, and to releasably secure the stabilizing arm to the ladder.
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: December 11, 2001
    Inventor: William Stephen Smith
  • Patent number: 6286624
    Abstract: A mounting system for mounting a work platform to a ladder includes a support system, a rod, and a suspension mount. The support system includes a plurality of members which attach to the work platform and attach to the ladder. The rod is configured to attach the support system to the ladder and is further configured to extend through one of the ladder rungs. The suspension mount attaches to the support system and includes a locking mechanism, a hook assembly, and an adjustable telescoping member. The hook assembly fits over and around the ladder rung.
    Type: Grant
    Filed: July 27, 1999
    Date of Patent: September 11, 2001
    Inventor: Dennis I. Bowles
  • Patent number: 6244383
    Abstract: A ladder scaffold device attaches to a ladder to define a scaffold and work area for a user of the ladder scaffold device. The ladder scaffold device is capable of being inserted into at least one rung of the ladder. The ladder scaffold device comprises a platform; a platform frame, in which the platform frame comprises a first back frame member, a second frame member, first and second side frame members; and a front frame member; and a plurality of support members. The plurality of support members comprises platform support members and additional support members, in which the platform support members are capable of being inserted into a rung of the ladder. The first back frame member extends into a rung of the ladder and the second back frame member extends into the rung of the ladder that the first back frame member extends. Each of the side support members is capable of being connected to one of the first and second back frame members.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: June 12, 2001
    Inventor: Koock Elan Jung
  • Patent number: 6189652
    Abstract: A removable platform assembly for a ladder. The platform assembly includes a platform of rectangular shape having sides and ends. One of the platform ends is positioned adjacent the ladder and the other is located away from the ladder in the direction of the structure supporting the ladder. A first channel attached to the platform and adapted to be seated on a rung of the ladder. A pair of legs attached to the opposite sides of the platform and extending downwardly from the platform. A second channel attached to the bottoms of the platform legs to seat on a lower rung of the ladder.
    Type: Grant
    Filed: July 29, 1999
    Date of Patent: February 20, 2001
    Assignee: Current Products, Inc.
    Inventors: Maurice Brown, Frank Robinson
  • Patent number: 6148957
    Abstract: The ladder scaffold assembly of the present invention for releasable mounting on two spaced apart ladders placed side by side comprises a scaffold platform having opposing first and second lateral ends and a ladder attachment bracket disposed on the opposing ends of the platform for supporting the platform in an elevated horizontal position intermediate two spaced apart ladders. Step engagement means are disposed on each ladder attachment bracket, wherein the step engagement means comprise an upward sloping surface to releasably engage and securely hook onto a step from underneath the step. The step engagement means is rigidly attached to the ladder attachment bracket and is incapable of independent movement in relation to the platform. The upward sloping surface permits releasable engagement to a step that may comprise a step of a step ladder or adjacent side by side rungs of an extension ladder.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: November 21, 2000
    Inventors: Frank E. Ahl, Brian E. Ahl
  • Patent number: 6148958
    Abstract: The ladder supported holding tray assembly for releasable attachment to a ladder includes a generally horizontal container including opposing side panels, a front, a back, and a bottom. The tray assembly also includes a ladder attachment bracket including a connecting wall attaching the bracket to a side panel of the tray. Step engagement means are disposed on the bracket, wherein the step engagement means comprises an upward sloping surface to releasably engage and securely hook onto a step from underneath the step. The tray when mounted on a ladder extends laterally outwardly from the ladder so as to not interfere with the normal use of the ladder.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: November 21, 2000
    Inventors: Frank E. Ahl, Brian E. Ahl
  • Patent number: 6109392
    Abstract: A split platform ladder stand is described for releasable attachment between selected adjacent upper and lower treads on a conventional ladder. The stand includes a first platform having a first user support surface and a bottom lower tread engagement surface. A stabilizer extends upwardly from the first platform to a stabilizer yoke having an upper tread engagement surface. A second platform has a second user support surface mounted for selective adjustment in relation to the first platform. The second platform is movable between an operative position wherein the second user support surface is substantially coplanar with the first user support surface, and an inoperative position wherein the second user support surface is positioned angularly toward the stabilizer.
    Type: Grant
    Filed: September 9, 1999
    Date of Patent: August 29, 2000
    Inventor: Harry G. Merrick
  • Patent number: 6045102
    Abstract: The multi-purpose Combo Jack.TM. tool combines the functions of a ladder jack, a roof bracket and a roof hooks into one piece of equipment. There are a pair of hooks attached to a rail supporting arm which is pivotably connected to a bracket body arm. The bracket body arm includes the plank stop lever and a retractable nailing blade. A combination support arm is connected to the rail support arm at either the tri-function setting or the steep roof bracket setting, and is also connected to the upward or downward slots in the bracket body arm (or at the end but not in a slot). The tool includes a safety stop as part of the retractable nailing blade, a ladder lock, and a safety protrusion to prevent collapse of the tool because of slippage along the bracket body arm by the combination support arm.
    Type: Grant
    Filed: January 29, 1998
    Date of Patent: April 4, 2000
    Inventor: Robert Terenzoni
  • Patent number: 5950972
    Abstract: A container apparatus is provided for use a top step of a ladder. The container apparatus incudes a support platform with upper and lower surfaces, a lower skirt extending from the lower surface, and a strap. The lower skirt includes front and back sides each including a mounting slot therethrough in general alignment with one another. The strap extends through the mounting slots and includes opposite ends configured to selectively fasten together.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: September 14, 1999
    Assignee: C.D.I. Enterprises, Inc.
    Inventor: Charles D. Irish
  • Patent number: 5836420
    Abstract: The present invention provides for a platform to be used with a ladder that includes a frame having a top portion, a middle portion and a lower portion. The top portion of the frame includes a hook-like feature that engages the front and upper surfaces of an upper rung and the lower portion includes a stop that engages the front surface of a lower rung to provide for a middle rung to be located between the upper run and the lower rung. This will provide for the frame to extend the length of three rungs. A support or platform is located on the lower portion of the frame and receives the feet of a user.
    Type: Grant
    Filed: January 8, 1997
    Date of Patent: November 17, 1998
    Inventor: Raymond L. Marky, Jr.
  • Patent number: 5647452
    Abstract: A scaffold jig including a first T-bar that has a first horizontal bar with a first vertical bar extending therefrom. The first vertical bar has a plurality of adjustment holes. Also included is a second T-bar that has a first horizontal U-iron with a second vertical bar extending therefrom. The first U-iron has an opening passing therethrough. The second vertical bar has a bracket with a bracket opening projecting therefrom. The second vertical bar receives the first vertical bar therein to form a support bar. Included is a third T-bar that has a second horizontal U-iron with a third vertical bar extending therefrom. The second U-iron has an opening therethrough and is supported by a step of a ladder. Lastly, a straight bar is included that has a first end positioned between the support bracket, and a second end positioned within the third vertical bar, and a plurality of adjustment holes. The straight bar forms a support brace to support the support bar.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: July 15, 1997
    Inventor: Gilbert E. Gauthier
  • Patent number: 5465809
    Abstract: A safety platform attachment (10) for ladders is shown having an expanded treaded platform (24) and mirror image torque arms (12, 14) for attachment thereto. Torque arms (12, 14) each have upper and lower ladder rung receiving seats (34, 38; 36, 40) and a plurality of automatically self adjusting locks (42) which hold the safety platform attachment securely in place on the ladder and prevent accidental dislodgement.
    Type: Grant
    Filed: August 8, 1994
    Date of Patent: November 14, 1995
    Inventor: Richard L. Panicci