Kit Or Separable Parts Patents (Class 182/151)
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Patent number: 5467842Abstract: There is disclosed an improved collapsible saw horse comprising a horizontal member over the center of which is affixed a tubular spacer. Left and right rotatable sleeves are disposed over the horizontal member on each side of the tubular spacer to obtain an assembled crossbar. Four legs, each connected to a collar complementary to the horizontal member, serve to support the horizontal member. The legs are further defined as a left outer leg, left inner leg, right inner leg, and right outer leg. The collars are of a shape similar to the rotatable sleeves and the tubular spacer such that when disposed over the horizontal member a smooth profile is obtained. Four angled braces are arranged as follows: (1) a first brace from the left outer leg to the left rotatable sleeve; (2) a second brace from the left inner leg to the tubular spacer; (3) a third brace from the right inner leg to the tubular spacer; and (4) a fourth brace from the right outer leg to the right rotatable sleeve.Type: GrantFiled: December 29, 1994Date of Patent: November 21, 1995Inventor: John Meloy
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Patent number: 5417307Abstract: A multi purpose worktable can be used as a table base or as a replacement for a conventional sawhorse. The worktable is assembled and dissassembled without the use of tools into individual lightweight components which are easily stored and transported. When assembled, the worktable is sturdy and durable, and includes a pair of plastic endpieces, and several cross-members in the form of wooden boards. Opposed openings receive the ends of the wooden boards, and clamps to hold the boards in the openings.Type: GrantFiled: September 13, 1993Date of Patent: May 23, 1995Assignee: Jonothon M. W. McIntyreInventors: Jonothon M. W. McIntyre, Forrest R. Fike
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Patent number: 5343978Abstract: The present invention features a telescoping-type scaffold for use in the repair of superheater tubes of power-generating boiler systems. The telescoping-type scaffold is constructed in situ at the superheater bay of the firebox of the boiler. The telescoping scaffold is fabricated in sections to provide bridges between: (a) the access hatch at the superheater level of the firebox and the first tier of a pendant section of the superheater bay, (b) the first and second tiers of the pendant section, (c) the pendant and the platen sections of the superheater bay, and (d) the first and second tiers of the platen section.Type: GrantFiled: April 23, 1993Date of Patent: September 6, 1994Assignee: New York State Electric & Gas CorporationInventor: Roy R. VanAmburg
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Patent number: 5335753Abstract: A support stand formed by a plurality of identical panels each having multiple slots which allow the panels to be assembled into a variety of different configurations or shapes. The panel is generally rectangular in shape, having at least two slots extending generally half way through the panels, with the slots being located on opposite corners. Optionally, a third slot is formed in the center of the panel parallel to one of the other two slots. The panels can have a recess that creates extensions at each corner that support a workpiece or form legs. A bracket can be mounted in grooves of each panel to hold a cutting guard.Type: GrantFiled: June 22, 1993Date of Patent: August 9, 1994Inventor: Michael J. Campbell
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Patent number: 5314041Abstract: A sawhorse apparatus which is sturdy and easily assembled or disassembled facilitating efficient storage and mobility. The invention is more sturdy than prior devices because it incorporates "cross beam support channel(s)" that extend down most or all of its length, providing rigidity in all directions. The invention employs two alternative embodiments. "Type A" features a single three sided channel that cradles the bottom of the cross beam and interfaces with a plurality support leg device using tapered dovetail or "T" rail groove joints. "Type B" features separate channel members, one attached to each end of the cross beam member and the combination extending along all or most of the cross beam length. The channel members are integrally molded to end pieces that provide sockets into which lumber support legs are inserted.Type: GrantFiled: July 6, 1992Date of Patent: May 24, 1994Inventors: Jeffrey Jerrow, William R. Jerrow
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Patent number: 5305850Abstract: The invention is a sawhorse that is quickly assembled and disassembled and is strong enough to support a heavy load. The sawhorse includes an elongated, horizontally disposed, rectilinear support member held above the ground by two spaced pairs of oppositely inclining leg members that overlap at a top end. Each leg member has a rectangular notch at the top end that is acutely angled to form a channel that receives the support member. A lower portion of the support member has two space rectangular channels for receiving the top ends of each pair of leg members. The leg members are pivotally coupled together with a pivot screw so that each leg member can be quickly rotated into a receiving position where the notches are aligned and able to receive the support member. Each leg member has the same dimensions and has a notch that is the same size and located at the same relative location making the sawhorse quick and inexpensive to fabricate.Type: GrantFiled: June 22, 1993Date of Patent: April 26, 1994Inventor: Arthur J. McQuiston
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Patent number: 5305849Abstract: A pouch member is arranged to include a plurality of pockets therewithin, with each of the pockets having a climbing step member therewithin. Each step member having foldable first and second legs displaced to an orthogonal orientation relative to one another for permitting securement within a tree, as each first leg includes a spike member arranged for projection into an associated tree for a climbing procedure.Type: GrantFiled: May 3, 1993Date of Patent: April 26, 1994Inventor: Ray D. Shaw
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Patent number: 5282519Abstract: A housing having a top wall, including a plurality of handle slots directed therethrough is arranged for ease of transport of the top wall and the associated housing, wherein the housing further includes respective first and second trapezoidal end walls, with the second end wall including a plurality of wheel members mounted thereon for ease of transport of the organization upon pivoting the housing onto the second end wall. The housing includes a floor spaced from a lowermost periphery of the housing, with leg members received within sockets positioned at each intersection of each end wall with each side wall of the housing structure. The second side wall structure includes a second side wall portion pivotally mounted to a lowermost side wall portion, that in turn is hingedly mounted to the top wall to provide access within the housing for storage.Type: GrantFiled: March 15, 1993Date of Patent: February 1, 1994Inventors: Frank J. Venturo, Victor F. Venturo
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Patent number: 5265697Abstract: A step sawhorse that is easily assembled and disassembled for ease in storage and transporting. The sawhorse is comprised of six wood parts (four identical legs, a top rail and step shelf). The parts are designed and constructed such as when assembled only two bolts with washers and nuts are needed to make secure a sturdy and rigid sawhorse, capable of supporting a heavy load. The legs are notched midway to support the step shelf, and notched at the top to support the top rail. The step shelf is a solid piece (providing rigidity in all four directions) with a rectangular opening at each corner to receive the legs. The top rail and legs are drilled to receive bolts with washers and nuts. When assembled and bolted together you have an exceptionally strong and lightweight sawhorse, with the added feature of a step shelf that will support a workman at the convenient height to work on an eight foot ceiling.Type: GrantFiled: September 14, 1992Date of Patent: November 30, 1993Inventor: Thomas E. Quick
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Patent number: 5257829Abstract: An improved collapsible sawhorse 100 is constructed as a traverse horizontal cross member 102 supported by vertical members or lateral trusses 104, 106. Brace members 120, 122 are mounted at one end to the inside surface of each leg bracket with a brace mounting assembly 124. The other end of each brace member is attached to the cross member with brace member locator and handle assembly 126. A nut and bolt assembly 134 on each vertical member is tightened to hold the cross member securely. An alternate embodiment of the present invention uses at least one adapter leg 200.Type: GrantFiled: May 12, 1992Date of Patent: November 2, 1993Assignee: Proto-Form EngineeringInventor: Fred Weeks
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Patent number: 5240217Abstract: An assembly which facilitate the capability of utilizing a plurality of horizontal panels with attachment brackets at end portions thereof for assembling standard types of barricades. A set of brackets includes one rectangular block bracket and two L-shaped angle iron brackets which are attached to each end portion of a horizontal panel. The rectangular block bracket is arranged between the two angled iron brackets such that two elongated grooves of a different width is defined therebetween so as to facilitate attachment of the horizontal panels to standards of different sizes.Type: GrantFiled: November 21, 1991Date of Patent: August 31, 1993Inventor: Allen J. Lizakowski
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Patent number: 5152245Abstract: A floatable device having a ridged body containing a plurality of tie points near the edge and a substantially central orifice. Several bodies may be tied in series to form a ladder for ingress and egress of boats. The body may be filled with closed cell foam to sustain buoyancy if the ridged body is pierced or cracked. The body may be tinted a bright, safety color. The ties securing the blocks together may be whipped with a clamp having a tapered end to prevent the knots from slipping.Type: GrantFiled: August 20, 1990Date of Patent: October 6, 1992Inventor: Roy Olsen
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Patent number: 5143174Abstract: A dismountable ladder for use with transom, swim or dive platforms having a pair of similarly shaped vertical upper side members. The upper end of each upper side member is formed as a U-shaped hook for releasably receiving a portion of a transom, swim or dive platform. The lower end of each upper side member has an opening. Additionally, a horizontal upper step member is releasably coupled within the opening in the lower ends of the upper side members. Finally, screws are provided for securing the upper step member to the upper side members through screw holes of the upper side members and upper step member.Type: GrantFiled: November 4, 1991Date of Patent: September 1, 1992Inventor: William E. Davis
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Patent number: 5099951Abstract: A collection of parts which can be assembled to form a cage-like structure, usable with or without a mechanics creeper, to protect a mechanic working under a vehicle; a scaffold-like device that is placeable over the engine compartment of a vehicle and which provides support portions enabling support of a mechanic over the engine compartment; and a support device which can support, among other things, large objects such as an automobile engine.Type: GrantFiled: June 3, 1991Date of Patent: March 31, 1992Inventor: Stanley Stockwell
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Patent number: 5054580Abstract: 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 compact storage. Each of the canopy modules has a wall structure and a roof walkway cantilevered thereto, a face structure being movably connected to an edge extremity of the walkway. In an erected configuration, each module is supported by adjustable feet at the bottom of the wall structure, and a pair of columns that support opposite ends of the face structure, the face structure extending vertically above and below the walkway and strengthening the walkway. The face structure is foldable substantially into the plane of the walkway for providing a convenient and compact nested configuration of the modules when stacked.Type: GrantFiled: September 24, 1990Date of Patent: October 8, 1991Inventor: William B. Cheek
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Patent number: 5040635Abstract: Tree pole ladder which includes first and second detachable sections. Each of the detachable sections pivotally supports laterally extending steps which the foldable from a horizontally extending position for climbing, to a storage position aligned with the pole section. The detachable sections are coupled together by a coupling section which permits the sections to be rapidly connected and detached to a pair of single pole sections which may be easily transported to remote locations.Type: GrantFiled: January 8, 1990Date of Patent: August 20, 1991Inventor: James C. Strickland
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Patent number: 5007502Abstract: A self-leveling foldable saw horse including a trestle formed as a downwardly opening box, two pairs of legs, each of which has three working surfaces for leveling the pairs of legs, stably supporting the weight on the trestle and enabling rotation of the legs from a closed position to an opened position and two rods for supporting the legs. The first operating surface on each leg of a pair of legs is in contact with the first operating surface of the other leg of its pair and the second surfaces of each leg of pair are in contact with the underside of the top surface of the trestle when the saw horse is in the open position. Exerting pressure on the top surface of the trestle causes sliding adjustment of the first operating surfaces of each pair to level the trestle and stably support the saw horse on uneven surfaces. Two saw horses can be attached together in a compact, efficient manner with handles to transport the pair of saw horses for use on uneven ground surfaces.Type: GrantFiled: July 16, 1990Date of Patent: April 16, 1991Assignees: Alan F. Shapiro, David EdwardsonInventor: Alan F. Shapiro
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Patent number: 4998697Abstract: A collapsible workbench made up of three similar sections that are connected in assembly to form a three legged frame capable of supporting a flat panel or the like thereon.Type: GrantFiled: July 31, 1989Date of Patent: March 12, 1991Inventor: Joseph R. Esposito
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Patent number: 4998599Abstract: A foldable ladder including a foldable support frame mechanism and a head step assembly releasably mounted to the support frame mechanism. The head step assembly comprises a pair of base plates each having protuberances on both sides thereof and a number of step plates each having holes complementary in shape to the protuberances on the base plate. Two step plates and one base plate can be stacked together side by side through protuberance and hole engagement to form a bundle which can be stored within the support frame mechanism in its folded position.Type: GrantFiled: June 18, 1990Date of Patent: March 12, 1991Inventor: Tzann D. Wang
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Patent number: 4923051Abstract: A collapsible sawhorse includes an elongated upright base plate having a pair of upright slots opening through the bottom edge thereof and a pair of leg plates, each with an upright slot opening through the top edge thereof for a fitted slot connection to the base plate. Upon alignment of the slots in the leg plates and base plate, the leg plates are received by the base plate to the extent of engagement of the closed ends of the aligned slots whereby the leg plates are stationarily secured relative to the base plate. The base plate has a transversely extended top surface which, when inverted, serves to support the disassembled leg plates in parallel stacked engagement with the base plate for compact transport and storage.Type: GrantFiled: September 28, 1988Date of Patent: May 8, 1990Inventor: Gerald E. Newville
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Patent number: 4919229Abstract: A load support platform for use in conjunction with a vehicle tire wherein a pair of outwardly flared feet 22, 24 interact with the tire such that lateral or downward forces on the platform 6 is resisted by the weight of the vehicle.Type: GrantFiled: August 29, 1988Date of Patent: April 24, 1990Inventor: David E. Wells
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Patent number: 4917216Abstract: A construction unit for assembling into a ladder like assembly wherein the unit is provided with parallel and opposed side rails joined by at least one cross-member, the ends of the side rails being adapted for end to end telescopic joining into a multi-unit assembly, the side rails of the units being hollowed to accept, internally thereof, elongated reenforcing and retaining members which may be threaded through all the side rails, in sequence, of an assembly of units.Type: GrantFiled: June 12, 1989Date of Patent: April 17, 1990Inventor: Edward G. Kimber
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Patent number: 4890693Abstract: A knock-down support stand or trestle for use as a sawhorse on construction sites and for home use constructed of pre-cut or pre-formed components that are readily assembled together in interlocking engagement without need for use of fasteners of any kind. As the load on the support stand increases, the components of the support stand become more securely interlocked together.Type: GrantFiled: February 6, 1989Date of Patent: January 2, 1990Inventor: Charles E. O'Brien
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Patent number: 4883246Abstract: A collapsible workbench made up of three similar sections that are connected in assembly to from a three legged frame capable of supporting a flat panel or the like thereon.Type: GrantFiled: March 13, 1989Date of Patent: November 28, 1989Inventor: Joseph R. Esposito
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Patent number: 4854531Abstract: A collapsible workbench made up of three similar sections that are connected in assembly to form a three legged frame capable of supporting a flat panel or the like thereon.Type: GrantFiled: August 12, 1988Date of Patent: August 8, 1989Inventor: Joseph R. Esposito
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Patent number: 4846453Abstract: A knock-down type workbench including a three piece support structure assembly which may be assembled in rigid form entirely without the use of nails, screws or other fastening means. The knock-down workbench includes a plurality of table tops which have different functions and are interchangeable. The panels of the workbench are interlockingly stressed to create a structurally tight workbench held together by forces created by the interlocking parts. Thus, the workbench may be lifted or severely jolted without fear of it collapsing.Type: GrantFiled: October 27, 1987Date of Patent: July 11, 1989Inventor: Arnold Salotto
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Patent number: 4844207Abstract: A sportsman's ladder for allowing convenient climbing of trees and the like includes a number of sections assembled together in telescoping relationship. Each section has secured thereto a plurality of spaced-apart steps extending laterally from opposite sides thereof in an alternating manner. The ladder further includes a tree engaging means for mounting the ladder to a tree.Type: GrantFiled: April 19, 1988Date of Patent: July 4, 1989Inventors: Dale D. Andrews, Durwood T. Andrews
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Patent number: 4762200Abstract: A sportman's ladder for allowing convenient climbing of trees and the like includes upper and lower sections assembled together in telescoping relationship. Each section has secured thereto a plurality of spaced-apart steps extending laterally from opposite sides thereof in an alternating manner. The upper section includes a tree limb engaging hook formed as a square, cornered structure having angled gussets at the corners thereof for structural bracing and for improved modes of engagement on the tree limb. The upper section also has a pair of cleats which receive and mount the lower section to the upper section in stacked relationship with respect thereto for convenient carrying of the upper and lower sections when unassembled.Type: GrantFiled: November 24, 1987Date of Patent: August 9, 1988Inventors: Dale D. Andrews, Durwood T. Andrews
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Patent number: 4703830Abstract: This saw buck structure is compact and light in weight. Primarily, it consists of a hollow rectangular frame having four legs stored within it when not in use, and a handle is provided on one of the sides of the frame, so as to easily carry the structure when not in use. A pair of studs receiving nuts and wing nuts are provided, which secures the legs in the confines of the frame when the structure is not in use, and the fasteners also serve to support the frame in horizontal position for use, when the legs are placed in pairs within each end of the frame.Type: GrantFiled: May 6, 1986Date of Patent: November 3, 1987Inventor: James E. Parker
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Patent number: 4638885Abstract: A combination sawhorse and sawbuck comprising a horizontal member supported at either end by a pair of leg assemblies, and a number of removable members provided with V-shaped notches which convert the device from a sawhorse to a sawbuck. The various members of the leg assembly are coupled together by half-lap joints, and bolts extend through the half-lap joints into the horizontal member to engage tee nuts provided therein.Type: GrantFiled: December 6, 1984Date of Patent: January 27, 1987Inventor: Raymond L. Frederick
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Patent number: 4596308Abstract: A sawhorse having a tool tray with a storage space for holding tools and four legs that are attached to the tool tray. The handle of the tool tray is the working surface of the sawhorse and the legs raise the handle to the desired height above the floor. The four legs are removable from the tray to facilitate transportation of the sawhorse. A wide flat surface is provided on the top of the handle that allows the balancing and clamping of a work piece horizontally on the sawhorse. The ends of the handle are flush with the outer surfaces of the legs. The legs are bolted to the outside of the tool tray vertical to the ground allowing the placement and clamping of a work piece to the sawhorse ends vertical to the ground.Type: GrantFiled: August 7, 1985Date of Patent: June 24, 1986Inventor: Robert S. Auerbach
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Patent number: 4574917Abstract: A sawhorse comprising three interlocking plywood panels, a pair of which function as legs at either end of the remaining panel, which functions as the back of the sawhorse. Each end of the back is fitted with a pair of vertically-spaced tabs which define downward-facing notches. Those notches fit into a mating upward-facing notch and a mating slit in the leg panels. An arcuate edge on each end of the back between the pair of vertically-spaced notches requires that the leg panels be stressed in order to align the notches of the back with the notch and slit of the leg support panel. Without the use of any special securing hardware, the stressed assembly prevents the sawhorse from collapsing if it is lifted by the back or mechanically jolted.Type: GrantFiled: March 21, 1985Date of Patent: March 11, 1986Inventor: Evan D. Stoddard
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Patent number: 4570915Abstract: A workbench construction is disclosed which is easily disassembled for transportation and storage and which is adapted for use in performing a variety of different saw cutting operations. The work bench includes a pair of spaced bench beams which are independently supported on legs and a plurality of spaced elongated main rails which preferably comprise wooden boards which are disposed on edge and which are detachably received in interfitting relation on the bench beams. For performing a saw cutting operation, a member which is to be cut is positioned on the upper edges of the main rails, and the desired cutting line is aligned with the spacing between a pair of adjacent main rails to provide clearance for the saw blade.Type: GrantFiled: May 14, 1984Date of Patent: February 18, 1986Inventor: Michael J. O'Hern
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Patent number: 4519476Abstract: This invention relates to a detachable top to be used with foldup ladders of the type described in co-pending applications Ser. Nos. 06/341,830; 06/492,487; and 06/537,276. Also, this top can be used with the slidable ladder described in U.S. Pat. No. 4,429,766. This ladder can be converted into many structures such as a workbench, table or step ladder. The top comprises a rectangular main portion and a narrower extending section. The main portion fits over and around the rails of the ladder (after conversion to a workbench) and the narrower extending section fits inside the rails but on substantially the same plane as the main portion.Type: GrantFiled: May 29, 1984Date of Patent: May 28, 1985Assignee: Andral CorporationInventors: Salvador Alimbau Marques, Giorgio Grasselli
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Patent number: 4457399Abstract: A work support unit convertible between work horse and buck horse modes, the unit comprising a set of three generally horizontal cross bars, four depending legs and bracket means coupling the cross bars and legs and maintaining the same in a fixed spatial relationship. In the work horse mode, a replaceable work board is secured to cross bars to provide a working surface and in the buck horse mode the board is removed. In a knockdown condition for transport and/or storage the legs are removed from the brackets and are conveniently strapped to the cross bars.Type: GrantFiled: February 28, 1983Date of Patent: July 3, 1984Assignee: Patterson & Patterson, Inc.Inventor: John H. Breisch
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Patent number: 4457398Abstract: Elements to be assembled to form in situ a temporary stair, from a pair of planks (1,1') or longitudinally sawn boards, or identical cross-section, intended for serving as stringers and which elements consist of steps (2), identical with one another, the steps being self-locking one by means of another onto and against the planks (1,1'), with the exception of the top step which has to be wedged against these planks (1,1'); each step (2) rests, at each side at the front, on the upper edge of a plank and, at the rear, is brought against the lower edge of the plank by a pair of flats (14,14') terminating in a hook (16) and mounted freely pivotal in the step placed next above.Type: GrantFiled: January 20, 1982Date of Patent: July 3, 1984Inventor: Gilbert Loix
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Patent number: 4433753Abstract: A wooden sawhorse device that can be quickly and easily assembled and disassembled without tools or fasteners. Tapered legs are each provided with slotted upper and lower edges and a contoured opening near the center of the leg. A pair of slotted sawhorse rails interfit with the slotted upper edges of the legs to rigidly connect the legs and provide a space for a 2'.times.6' board on top of the sawhorse. A slotted tool tray fits through the openings in the legs and interfits with the contoured edges of the openings to provide a rigid brace and a tool receiving surface. The sawhorses can be set up in pairs with scaffold rails extending between them to provide support for a flat work table. By stacking the sawhorses upon one another and installing the scaffold rails between the uppermost sawhorse rails, multiple level scaffolding can be formed. The sawhorse rails can be replaced by miter box rails which are specially constructed to receive and support a power miter box.Type: GrantFiled: August 11, 1982Date of Patent: February 28, 1984Inventor: Marshall Watson
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Patent number: 4390081Abstract: A sawhorse kit is disclosed having a top piece, leg members, brace members and fastener members. Channels, adapted to receive and seat a top portion of the leg members are formed in the top piece a sufficient distance from its ends to provide a work surface on the top piece longitudinally outward from the channels. When received and seated in the channels, the leg members extend downwardly and outwardly from a plane including the longitudinal axis of the top piece, and downwardly and outwardy from a plane transverse to the longitudinal axis of the top piece and bisecting the top piece. Passages, adapted to receive and securely retain the fastener members, are provided in the top piece, leg members and brace members to facilitate assembly of the sawhorse kit.Type: GrantFiled: December 1, 1980Date of Patent: June 28, 1983Assignee: McCoy Industries, Inc.Inventor: James H. Olmsted
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Patent number: 4386678Abstract: A collapsible work support which is useful as a sawhorse, brackets for iron, wood or larger objects, and collapses for storage, all in a single plane, and therefore is readily adaptable to wall or cabinet storage. It is compact and ideally suited for crowded workshops and eliminates the need for bulky, awkward sawhorses and other stands.Type: GrantFiled: August 14, 1981Date of Patent: June 7, 1983Inventor: John R. Wendell
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Patent number: 4231448Abstract: A ladder intended for use in boarding small boats has side rails and treads interconnected by integral and precut joint elements designed for ready connection and disconnection. The connected treads and rails are suspended from the deck or side of a boat by crank-like hangers pivotally and releasably secured to the side rails and having grooves enterable by one of the treads. Anchoring members on the hangers engage corresponding fittings permanently secured to the boat to suspend the ladder over the side of the vessel. One of the treads has braces which engage the sloping side of the boat to keep the ladder rails generally vertical.Type: GrantFiled: August 6, 1979Date of Patent: November 4, 1980Inventor: Svend O. Jensen
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Patent number: 4182432Abstract: This invention relates to a knock down support apparatus which does not require any fasteners the principles of which are particularly adaptable to sawhorses, trestles and the like, which is capable of being knocked down or taken apart for transportation or storage in compact form.Type: GrantFiled: June 23, 1978Date of Patent: January 8, 1980Inventor: Forrest T. Cossitt
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Patent number: 4105091Abstract: This manufacture is a sawhorse, so designed that one will perform tasks that are difficult, if not impossible, with two traditional sawhorses.Parallel but separated backs support wide materials for sawing, cutting, or drilling. Narrow materials are supported by the legs and contained between the backs. Kerfs in the backs are aligned to permit forty-five and ninety degree cuts when the backs are used as a miter box. The legs are constructed to hold tools used in the construction process. The sawhorse assembles and disassembles without tools, and it stores and transports flat.Type: GrantFiled: August 5, 1976Date of Patent: August 8, 1978Inventor: Philip J. C. Mahan
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Patent number: 4086980Abstract: A dismantling ladder is provided wherein the rails are made of different sizes with the rungs of a still smaller size so that one rail can be telescoped inside the other and a rung telescoped inside the smaller rail so that the ladder can be stored in minimum of space.Type: GrantFiled: February 11, 1977Date of Patent: May 2, 1978Inventors: Lois E. Shortes, Joan A. Shortes
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Patent number: 4071113Abstract: A sawhorse primarily designed to be easily assembled or disassembled comprising a cross-beam and leg assemblies wherein said cross-beam is reduced in its end portions and engages Vee-shaped crotches that are defined in the upper portions of said leg assemblies and held in place by U-shaped bolts.Type: GrantFiled: December 12, 1975Date of Patent: January 31, 1978Inventor: Eric W. Pelser
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Patent number: 4060150Abstract: A ladder kit comprises a plurality of parts from which a ladder may be constructed. The parts of the kit may be selected and assembled in a number of ways, resulting in various types of ladder structures. The main components of the assembled ladders include elongated tubular side rail sections and rectangular frame sections. The frame sections fasten the side rail sections into coplanar pairs and form the rungs of the ladder.Type: GrantFiled: July 19, 1976Date of Patent: November 29, 1977Inventor: Peter Hughes
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Patent number: 4030565Abstract: An improved collapsible sawhorse package in which each pair of legs of the sawhorse are interleaved with the ridge board placed centrally therebetween. When formed into the package, the ridge board and one leg of the opposite pair of legs are positioned between the two legs of the other pair and within the ridge board gripping bracket mounted to that other pair. A securing pin extends through the package formed by the interleaved pairs of legs and the ridge board and is secured in place at each end by rods which extend through the ends of that securing pin. The rods are also used to maintain the pairs of legs open when the sawhorse is erected.Type: GrantFiled: December 3, 1975Date of Patent: June 21, 1977Inventor: Reynald Chaput
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Patent number: 4024929Abstract: A portable ladder comprising a plurality of similar interfitting rail units which are modular in nature to facilitate assembly and disassembly of a ladder of any desired height. A plurality of similar rung units interfit with and interlock upon the rail units at spaced intervals to form a complete ladder construction.Type: GrantFiled: November 18, 1974Date of Patent: May 24, 1977Inventor: Daniel Mintz
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Patent number: 4008786Abstract: A support has two like, elongated, opposed and upwardly and symmetrically inwardly extending legs, each of which supports a flexible protective tip at its bottom end. Two horizontally elongated parallel bars extend between the legs, each of the bars being hollow and square in cross-section.Type: GrantFiled: September 15, 1975Date of Patent: February 22, 1977Assignee: The Raymond Lee Organization, Inc.Inventor: Joseph M. Canavan
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Patent number: 3976163Abstract: A storage-stand having a deck and a pair of legs pivotally attached to opposite ends of the deck and movable between folded positions inwardly of the ends of the deck and parallel to the deck and extended positions at an obtuse angle to the deck. When the legs are extended they spread obtusely outward from the deck. The legs and the deck are hollow and have means within them for retaining tools for storage.Type: GrantFiled: December 29, 1975Date of Patent: August 24, 1976Inventor: David E. Watkinson