Overlapping Stile And Prop Patents (Class 182/177)
  • Patent number: 11202512
    Abstract: A self-retractable step for assisting a user in elevating him or herself above a floor, is disclosed. The self-retractable step comprises a self-retractable foot member and a cylindrical assembly coupled with the self-retractable foot member. The foot member is configured to move from one position to another position. The cylindrical assembly comprises a rotary member, one or more spring members and a protuberance member. The rotary member is configured to move the foot member to a predetermined position. Further, the spring members coupled to the rotary member is configured to self-retract the foot member from the predetermined position. The protuberance member disposed at the cylindrical assembly is configured to act as a stopper to hold the foot member in a predetermined position on retraction by the spring members. The self-retractable step further comprises a load bearing member at a base of the foot member.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: December 21, 2021
    Assignee: Dickson24 Inc.
    Inventor: Frédérick Reid
  • Patent number: 10472888
    Abstract: A stepladder includes a front section having a first :front leg and a second front leg and a step attached to the first front leg and the second front leg and a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar. The latch is engaged with and latched to the first stud to define an engaged position where the first front leg and the first rear leg are in an open position and form an inverted v shape and are prevented from folding together.
    Type: Grant
    Filed: November 2, 2016
    Date of Patent: November 12, 2019
    Assignee: Werner Co.
    Inventors: Thomas W. Parker, Brian Wong-Shui, Devin Lee Moore, Christian M. Otis, Erick E. Rios
  • Patent number: 9488002
    Abstract: A stepladder includes a front section having a first front leg and a second front leg. The stepladder includes a step attached to the first front leg and the second front leg. The stepladder includes a latch engaged with the step. The stepladder includes a rear section having a first rear leg and a second rear leg and a cross bar attached to the first rear leg and the second rear leg. The rear section is pivotably attached to the front section. The rear section has a first stud which extends from the first rear leg toward the second rear leg and separate and apart and not in contact with the second rear leg and not in contact with the cross bar.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: November 8, 2016
    Assignee: Werner Co.
    Inventors: Thomas W. Parker, Brian A. Wong Shui, Devin Lee Moore, Christian M. Otis, Erick E. Rios
  • Patent number: 8701831
    Abstract: Stepladders and related methods of using and manufacturing stepladders are provided. In one embodiment, a stepladder is provided that comprises a top cap, a first assembly and a second assembly. The first assembly has a pair of spaced apart rails pivotally coupled with the top cap. The second assembly includes at least one rail pivotally coupled with the top cap. The first assembly and second assembly are configured to be displaced relative one another such that the stepladder is selectively positionable between a first, deployed state and a second, collapsed state. The first assembly, the second assembly and the top cap are cooperatively configured such that the at least one rail of the second assembly is at least partially nested within an envelope defined by the pair of spaced apart rails of the first assembly with the step ladder is in a collapsed state.
    Type: Grant
    Filed: March 2, 2010
    Date of Patent: April 22, 2014
    Assignee: Wing Enterprises, Inc.
    Inventors: N. Ryan Moss, Gary M. Jonas, Sean R. Peterson, Ryan Crawford
  • Patent number: 8191685
    Abstract: A folding ladder with a pair of parallel front support members having a plurality of sequentially positioned grooves, a plurality of front aligned fastener holes aligned with a plurality of back fastener holes, a pair of non-parallel back support members, wherein the back support member inside forms a flush engagement with the front support member outer side; a plurality of pivot means disposed centrally through each back top end and extending from each back top end to an off center position in each front support top end, a plurality of pivoting non-removable rungs, a pair of locking spreader bars, a pair of pivotable cross braces and a plurality of recessed magnets for supporting the pivoting cross braces and for allowing portions of the folding ladder to compactly and securely engage each other.
    Type: Grant
    Filed: May 16, 2011
    Date of Patent: June 5, 2012
    Inventor: Grover J. Geiselman, III