Class 182/182.5 - By extensible leg

Subclass of Class 182 - Fire escape, ladder, or scaffold
Definition: Device wherein one of the trestle legs is longitudinally
No. of patents: 30
Last issue date: 07/25/2006

Number	Title	Issue Date
7080959	Adjustable scaffold shoring accessory A shoring device that utilizes an accessory assembly mounted to a vertical tubular member of a tubular scaffold assembly to receive a shoring member therethrough. With an adjustable threaded ring mounted over the threaded portion of said accessory assembly, a suppor...	07/25/2006
6164413	Folding sawhorse A sawhorse for supporting workpieces while being worked is provided. The sawhorse includes a pair of sides which are joined at their upper ends for supporting the workpiece and which diverge at their lower ends for stable support of the sawhorse and the w...	12/26/2000
5103933	One piece leg A one piece plastic leg construction. A main body having an inverted v-shaped configuration includes a pair of downwardly extending legs each having a c-shaped cross section. The legs are mutually opposed and open toward each other and include a plurality...	04/14/1992
5069444	Device for simulating climbing A device for simulating climbing includes a pair of side frames each of which has a pair of upper legs into which a pair of lower legs are telescoped. A horizontal platform is connected to the upper legs whereby the effective height of the platform may be...	12/03/1991
5029671	Mechanic's walk A compact foldable mechanic's walk for facilitating servicing of motor vehicles by improving access to the engine compartment. The mechanic's walk includes a pair of relatively narrow elongated planar mirror image platform members hingedly connected toget...	07/09/1991
4947962	Adjustable scaffold support An adjustable scaffold support for use in supporting construction scaffold plank members includes a vertical guide member defining an elongated vertical guide track. An extension member is slidably received in the guide track and is secured in a selected ...	08/14/1990
4877109	Adjustable sawhorse and scaffold An adjustable sawhorse and scaffold assembly. The sawhorse includes a pair of end supports with a horizontal member extending therebetween. The horizontal member may be clamped to the supports at outer ends thereof. Each support comprises a tubular member...	10/31/1989
4877206	Concrete delivery trolley A trolley for positioning a concrete delivery conduit in a work area utilizes a carriage member movable along a support beam to carry a pipe engaging cradle. The carriage and cradle permit the conduit to be moved laterally and axially without substantial ...	10/31/1989
4844208	Ladder extension device A ladder accessory for releasably securing a wooden extension to a leg of a ladder comprises a metal channel member for receiving the ladder extension so as to allow longitudinal sliding adjustment of the extension relative to the channel member. A shaft ...	07/04/1989
4823913	Simplified self supporting scaffold structure having safety features Scaffold structure which is adapted to be positioned adjacent a wall and to engage a wall. The scaffold structure has a pair of legs which support a load support member. A brace is attached to the load support member and extends angularly therefrom. The b...	04/25/1989
4804064	Adjustable, collapsible sawhorse A lightweight sawhorse which may be easily collapsed in three transversely aligned directions to form a compact, portable package and thereby facilitate the transport and storage thereof. The dimensions of the sawhorse may also be selectively adjusted to ...	02/14/1989
4802471	Leveler attachment for ladders There is provided a ladder having a leveler attached thereto. The leveler includes a T-shaped gripping device having a sharp edge which contacts the smooth surface of an adjacent slidable rail for locking the rail into position. The slidable rail acts as ...	02/07/1989
4782917	Adjustable scaffold An adjustable scaffold having a generally rectangular frame including a pair of clamp sections associated with one side of the frame and a first step section associated with the other side of the frame, pairs of legs pivotly mounted to the frame and said ...	11/08/1988
4756384	Collapsible support A collapsible support is provided for supporting carpentry work, boards, roadside annunciators and the like. The support is equipped with downwardly divergent and telescoping legs, for height adjustment, that are united to a horizontal beam or stringer by...	07/12/1988
4728066	Collapsible triangulated tension support structure A collapsible triangulated tension support structure having a generally H-shaped planar configuration. Two vertical members are connected to a horizontal compression member and flexible diagonally crossed tension members extend from one vertical member to...	03/01/1988
4648734	Corner connector assembly A corner connector assembly for a tent characterized as a two-part casting arranged for a floating relationship, the latter serving advantages in assembling struts or eave bars having crimped areas proximate the ends thereof which cooperate with projectio...	03/10/1987
4632344	Adjustable and collapsible triangulated tension support structure An adjustable and collapsible triangulated tension support structure having a generally H-shaped planar configuration. Two vertical members are connected to a horizontal compression member and flexible diagonally crossed tension members extend from one ve...	12/30/1986
4565263	Sawhorse with extendible and contractible leg assemblies A sawhorse having adjustable leg assemblies that are selectively extendible and contractible to allow the cross beam to be moved to a selected elevation by a workperson. The leg assemblies have a pair of downwardly and outwardly diverging legs. Each leg h...	01/21/1986
4492354	Collapsible stand for roller support A collapsible stand for an upright vertical support is the subject of this invention. A U-shaped bracket holds a roller and is mounted on a telescoping stanchion by use of a set screw in the collar of the bracket. The stanchion is in turn supported by a s...	01/08/1985
4489808	Collapsible sawhorse A collapsible sawhorse includes a horizontal load supporting beam which is pivoted in the center thereof. A pair of legs is disposed at each end of the beam and each is mounted for compound pivotal movement between a first load supporting position and a s...	12/25/1984
4386678	Collapsible work support 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 crow...	06/07/1983
4298093	Sawhorse An adjustable sawhorse having a work platform removably mounted atop two pairs of side rails. A pair of hinges connect the side rails of each side rail pair at one end thereof. The hinges may be selectively locked or unlocked to accommodate folding and un...	11/03/1981
4289215	Detachable step The present invention relates to a new and improved detachable step for a sawhorse or the like, which can be easily assembled and disassembled without the use of tools. The detachable step is supported between a pair of side rails. A pin may be used to se...	09/15/1981
4260038	Folding sawhorse frame A pair of triangular supports are provided with cross member sockets on the upper ends thereof. A cross bar extends between the end supports and is pivoted to each so that they can be folded downwardly upon the cross bar for storage. Braces are pivoted by...	04/07/1981
4240522	Extension trestle ladder A device for automatically locking the fly assembly of an extension trestle ladder in an extended or lowered adjustment position. The fly assembly is supported to prevent downward movement by a displaceable member which abuts a rung on the fly assembly al...	12/23/1980
4227464	Gantries Leg structure for portable, height-adjustable gantries is disclosed having an upper, single vertical tubular post member telescopingly received within an open-ended sleeve formed by coupled aligned channel members of lower, break-apart sectional supportin...	10/14/1980
4134473	Portable scaffold A portable scaffolding comprising a plank with frame members supporting each end thereof. The frame members include legs of steel angles which are interconnected at their lower portions by toggle arms for collapsing, and at their upper ends by threaded me...	01/16/1979
4036466	Flying deck-type concrete form installation A unitary concrete form installation of the flying deck type, preadjustable to selected dimensions and adapted to produce a horizontal building floor slab, comprises a deck formwork including a pair of deck supporting stringers, and scaffolding supporting...	07/19/1977
4031981	Foldable work platform An improved foldable work stand and platform having an upper work support surface with wooden inserts therein to protect saws and the like from being damaged by accidental contact with the metal structure of the platform. The foldable work platform also i...	06/28/1977
4004778	Portable roof winch A portable roof winch comprising a collapsible frame that is adjustable to accommodate the slant of a roof, an extensible beam consisting of two telescoping parts one of which is pivotally mounted on the frame on a vertical axis and the other part being m...	01/25/1977

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Class 182/182.5 - By extensible leg