Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 7958967 | Mud sill The combination of: a scaffold assembly comprising a vertical member; a baseplate on the vertical member and having a downwardly facing surface; and a foot having a top surface and a bottom surface spaced in an axial direction. The foot has an opening in the top sur... | 06/14/2011 |
| 7228940 | Scaffold having a replaceable locking and securing device A replaceable locking and securing device for securing a first member to a second member includes a replaceable bracket, a lock and a fastener. The bracket defines one opening when the bracket is operatively connected to the first member. ... | 06/12/2007 |
| 7214025 | Lifting apparatus for scaffold and method A lifting apparatus to facilitate lifting and maneuvering of a scaffold or the like by a forklift is provided. The lifting apparatus includes two identical portions, each portion including two end structure portions and a backbone portion. The end structure portions... | 05/08/2007 |
| 7195100 | System and method for an escapable multistory building A system and method for allowing escape of many persons from a multistory building over a short period of time. The method and system include strategic placement and use of anchor points and components in conjunction with escape kits or devices so as to allow increa... | 03/27/2007 |
| 7111583 | Birdcage perch A lightweight perch formed from plastic, wood or the like, has, in one embodiment, an outer surface on which is applied a granular material such as sand or the like. An adhesive or solvent may be used to apply the granular material to the perch. The resultant perch ... | 09/26/2006 |
| 7077239 | Expandable dual tube scaffold hatch structure The invention is a scaffold access system for use in a scaffold frame of horizontal and vertical scaffold members. The system includes double barrel scaffold horizontal member, a series of short scaffold boards, a series of long scaffold boards, a short vertical sca... | 07/18/2006 |
| 7014011 | Scaffolding lift system A scaffolding lift system includes a base member and a plurality of elongated vertical support members secured to the top surface of the base member. A power-operated motor is positioned adjacent the scaffolding and on the base member. The scaffolding further includ... | 03/21/2006 |
| 6752244 | Apparatus for draining fluids from vehicles Apparatus for draining fluids from a vehicle has an elevated platform supported on a frame, the platform being pivotable side-to-side and end-to-end, to permit complete draining of fluids from the vehicle through an opening in the platform prior to dismantling the v... | 06/22/2004 |
| 6739429 | Corner scaffold structure A corner scaffold structure is comprised of three vertical legs. These three legs are connected to one another at their upper distal ends by three horizontal legs which generally form a right isosceles triangle. Similarly, there are three horizontal legs connected t... | 05/25/2004 |
| 6732836 | Mounting method for a handrail in a frame scaffolding A mounting method for a handrail capable of mounting and removal. The method uses frame with fittings and a lateral member. The frames are spaced laterally with a scaffolding plate erected between the lateral frames. A handrail is erected between the fittings adjace... | 05/11/2004 |
| 6722471 | Scaffolding system having improved safety structures and connecting members An apparatus and method for construction of scaffold structures having improved safety characteristics. In various embodiments, the apparatuses comprise a set of structures, including connecting rails, fencing, gates, and ladders. The structures are adapted to be us... | 04/20/2004 |
| 6554102 | Dismountable facade scaffold A dismantlable, multi-story facade scaffold is formed of at least four vertical support elements and floor plates and railing elements which are mounted thereto. An additional scaffold story is erected by coupling an additional vertical support element to... | 04/29/2003 |
| 6539966 | Removable cover for hunting blind The present invention discloses a cover for a hunting stand which can be removably attached to an existing hunting stand. The present invention is adaptable to fit many sizes and shapes of existing hunting stands; however, one of the common types that it ... | 04/01/2003 |
| 6471000 | Safety harness and ladder assembly In certain embodiments, the improved safety ladder and harness assembly described herein incorporates a harness coupling designed to slide freely within the vertical member of a safety ladder so long as the forces exerted on the coupling are small. Any si... | 10/29/2002 |
| 6450291 | Frames and structures assembled by same A fram with a support post, a first connector support member mounted at an intermediate position of the post and a second connector support member or members mounted at an upper or lower position, or both the upper and the lower positions, of the support ... | 09/17/2002 |
| 6443262 | Tubular frame scaffolding A tubular frame scaffolding system including base pads, vertical trusses, work platforms, access ladders, diagonal support braces, horizontal guard rails, intermediate guard rail panels, top guard rail panels, top guard rail posts, and toeboards. The guar... | 09/03/2002 |
| 6422345 | Dismountable facade scaffold A dismantlable, multi-story facade scaffold is formed of at least four vertical support elements and floor plates and railing elements which are mounted thereto. An additional scaffold story is erected by coupling an additional vertical support element to... | 07/23/2002 |
| 6419046 | Scaffold end caps A scaffold end cap comprises a tapered tubular portion, a flange and a blocking member. The end cap is secured in a scaffold tube by an interference fit resulting from the compression of the end cap as it is pushed into the tube. The end cap prevents debr... | 07/16/2002 |
| 6283251 | Truss modular scaffolding system A scaffolding system includes tubular columns (3) and horizontal and/or diagonal crossbars (1,2). One or more scaffolding joints (4) are arranged on each tubular column (3) and placed above and at a distance from each other. Connecting elements (1,2) are ... | 09/04/2001 |
| 6168345 | Couplers A right-angle scaffold coupler comprises two jaw assemblies (10A, 10B) each with jaws formed by a closure-plate (12) hinged to a common chassis (11), and having a hand lever (14) hinged (at 21) to the plate (12) with a spirally-coiled spring (25 FIG. 4) a... | 01/02/2001 |
| 6152263 | Scaffold as well as method for its assembly A scaffold comprises a construction assembly and a frame that is provided with a foot. The foot is in an embodiment provided with a stepped opening, a first part of which is limited by a wall which forms a supporting surface with which the frame rests on ... | 11/28/2000 |
| 6076991 | End cap system for scaffolding planks An end cap system for scaffolding planks, especially for hollow core planks. The end cap includes an extrusion having a plank-receiving portion on one side and a rib profile on the other for slidingly receiving scaffolding hooks. The end cap permits simil... | 06/20/2000 |
| 6045287 | Connecting device of a bearing bar A connecting device is provided for a bearing bar consisting of a tube having such a connecting device at each of its two ends. The connecting device may be used to join horizontal and vertical scaffolding elements. The connecting device consists of a bea... | 04/04/2000 |
| 6027276 | Scaffolding node The invention concerns an assembly for forming a scaffold joint with a transverse brace and posts having at least one projection extending radially with respect to the post axis out from its outer surface, the protrusion having an opening into which a hoo... | 02/22/2000 |
| 6000495 | Scaffolding system A scaffolding system having a first frame connected to a second frame with at least one platform disposed therebetween. The first frame includes a first set of posts connected together by an upper cross member. The second frame includes a second set of po... | 12/14/1999 |
| 5941345 | Scaffold cross member and modular support assembly A cross member which joins two support columns to form an improved scaffold support assembly. The cross member includes an elongated tubular arm having a plate member fixedly attached thereto. The plate member has opposed ends which are slotted such that ... | 08/24/1999 |
| 5868223 | Flange-type scaffold joint adapted to resist loosening of wedge in response to vibration and tapping A releasable joint connects an upright (10) and a transverse brace (16) in an aluminum scaffold frame. A horizontal aluminum flange (12) is attached to the upright (10) and an aluminum connector (18) to the brace (16). The connector (18) has a mouth (50) ... | 02/09/1999 |
| 5865270 | Expandable jack An expandable jack that is stackable, is provided with four base members having vertical columns extending upwardly therefrom. A horizontal cross-member structure, having width adjustment capability, is adapted to slide along the height of a pair of verti... | 02/02/1999 |
| 5865271 | Telescopic ledger for scaffolding A telescopic ledger for scaffolding comprises an elongated ledger member of substantially uniform I-shape in cross section along its length, a front coupling sleeve attached to the ledger member adjacent its front end, and a channel assembly having a pair... | 02/02/1999 |
| 5857543 | Ledger truss for scaffolding A ledger truss for scaffolding has a first ledger and a second ledger, each ledger having a longitudinal axis and being of uniform generally "I" shape in cross section along its length. A clamp bracket joins the first and second ledgers end to end at a bu... | 01/12/1999 |
| 5701971 | Protective member for metal scaffold knots or joints Protective member for metal knots or joints of scaffolds having horizontal and vertical tubular elements connected by a clamp at each knot, said protective member being made up of two parts (C1) and (C2) each of which consists of a hollow body (1) includi... | 12/30/1997 |
| 5615968 | Hand rail coupler system A staging system has a hand rail coupler system with an inner coupling tube which interconnects two coaxially aligned hand rail sections. A pair of opposed coupler clamps are aligned over the interconnected hand rail sections. A studded knob extends throu... | 04/01/1997 |
| 5615966 | Device for connecting a first elongate member to transverse second elongate member The device includes a locator on the first member for locating an end section of the second member. A movable locking lever is mounted on the second member and an operating member is provided which enables the locking lever to be moved from a position in ... | 04/01/1997 |
| 5613573 | Scaffolding A scaffolding particularly designed for work inside large hollow elements (1) such as tanks, quarries, etc. The scaffolding comprises a supporting structure consisting of two struts (3) interconnected by at least two crossbars (4, 5) for forming the floor... | 03/25/1997 |
| 5385215 | Scaffolding jack system The present invention provides for an improved scaffolding jack system. The present invention provides the top bar that connects the inside vertical posts to the outside vertical posts to have a slidable gate received within the top bar. In a closed posit... | 01/31/1995 |
| 5203428 | Modular scaffolding platform and truss frame components therefor A truss frame with three-dimensional bracing includes at least three top rails which are joined together so as to define a substantially planar surface. A plurality of bracing members are attached to the top rails and depend toward a bottom connection whi... | 04/20/1993 |
| 5135077 | Scaffolding system A basic scaffolding tower assembly for building up, in modular fashion, a multi-level scaffolding system includes a pair of load-bearing tower panels spaced from and parallel to the building facade. The tower panels are joined together by a pair of landin... | 08/04/1992 |
| 5088577 | Scaffolding transfer apparatus A device to be employed for moving scaffolding assemblies. The device includes a pair of substantially parallel sleeves intended to receive the tines of a forklift. Support members are affixed to, and project substantially perpendicular from, the sleeves.... | 02/18/1992 |
| 5054580 | Modular walkway system Disclosed is a modular walkway for elevated access to building structures, and for protectively covering sidewalks adjacent to such structures, including a plurality of canopy modules that are connected end-to-end when erected, and nestedly stackable for ... | 10/08/1991 |
| 5012894 | Scaffold erection structure A structure particularly adapted for erecting construction site scaffolding comprises an elongated lower frame pivotally joined to an upper frame. The lower frame is formed with a pair of radiused guide rails which interact with slide brackets of the uppe... | 05/07/1991 |
