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Class 182/132 - Stepped


Subclass of Class 182 - Fire escape, ladder, or scaffold
Definition: Device in which the platforms are vertically spaced and
No. of patents: 33
Last issue date: 02/09/2010


NumberTitleIssue Date
7658266Truck bed staircase device
An embodiment of the present invention relates to a staircase device adapted to fit a bed of a truck, or other similar vehicle. The staircase provides a mechanism for facilitating the loading and unloading of items onto and off a bed of a truck. An embodiment of the...
02/09/2010
7007428Vertical telescopic stage accessories device
A device having multiple support members telescopically contained therein, with each member having a set of lights, a set of curtains and various compartments for numerous stage accessories and allows for quick change of the lights and curtains that are used for dif...
03/07/2006
6938730Buddy's adjustable height workhorse
The adjustable height workhorse is a height adjustable workspace for allowing a worker to easily hang sheet rock on walls at elevated heights. The workhorse provides a platform supported by a frame having a plurality of vertical posts and a plurality of horizontal h...
09/06/2005
6752244Apparatus 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
6557667Construction material holding system
A construction material holding system for supporting a plurality of elongate materials upon a walk board without interfering with the usage of the walk board. The construction material holding system includes a plurality of support units each comprised o...
05/06/2003
6354041Aisle riser backstops for telescoping seating systems
A deployable telescopic seating structure employs a backstop arrangement to prevent users and operators from coming into contact with structure that may cause injury, such as interengaging metal elements that limit the extent of deployment The backstop po...
03/12/2002
6189272Multi level vehicle service system
A multi-level vehicle servicing system includes site-erectable units each with four levels, to facilitate vehicle repairs by several technicians at the same time. Each unit includes vertical structural members, horizontal supports, flooring, tool storage,...
02/20/2001
5725069Extendable pyramid ladder system
A new Extendable Pyramid Ladder System for providing a compact stable ladder system which allows the user to access heightened areas by standing on a broad platform while simultaneously providing maximum stability, and for providing compact storage by fol...
03/10/1998
5669463Truck mechanic's workstand
A workstand for use when servicing heavy tracks or the like, the workstand including opposing curved first and second sides spaced apart from each other and a top support platform extending therebetween. Upper and lower steps extend between the front port...
09/23/1997
5592801Mobile stair system for pets and animals, method of making said mobile stair system
This invention relates to a mobile stair system for pets and other small animals, a method of making said mobile stair system, and a method of producing elements of said mobile stair system. Said mobile stair system comprises a number of crossbars, a left...
01/14/1997
5368125Platform raising system in scaffolding
The scaffolding includes a tower provided with equally spaced rungs and adapted to be secured to an adjacent building structure, an outer sleeve surrounding the tower and guided therealong and a work platform supported by the outer sleeve. The raising sys...
11/29/1994
4997062Swing scaffold
This relates to a swing scaffold assembly comprising a plurality of frames disposed in alignment with each other in spaced apart generally parallel planes. Each such frame includes a lower cross beam and a secondary frame structure supported on an interme...
03/05/1991
4919229Stable working platform
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....
04/24/1990
4886282Hydrant refueler
A hydrant refueler for aircraft is provided with a plurality of decks each at a different fixed height above ground to enable the refueler operator to connect to the fuel tanks of aircraft having wings at different heights above ground. The uppermost deck...
12/12/1989
4886139Mobile scaffold with power-operated platform elevation
A portable scaffold includes a base or chassis mounted on wheels for site-to-site towing or "man-handled" positioning at a job site. Rising rigidly from the chassis are two masts, spaced apart lengthwise of the chassis. A platform is vertically slidably c...
12/12/1989
4877069Cutting table
A portable foldable sawing machine table and stand assembly which includes structural details and arrangements of parts which provide facilities for usage both on the ground and on scaffolding. The invention incorporates a sawing table with movable saw gu...
10/31/1989
4844199Stair climbing aid
A device for helping a handicapped person move up and down a flight of stairs. The device includes a base having a pair of vertically spaced platforms which define intermediate steps between the steps of the stairs. By stepping from a lower step to the pl...
07/04/1989
4809814Scaffolding
This scaffolding comprises a base, a pair of spaced posts on said base each formed of modular post sections, releasably secured one on top of the other by fasteners. Each post section is formed of a lattice frame with transversely-extending bars forming a...
03/07/1989
4641728Scaffold system
A scaffold system has self standing towers and brackets that are guided and supported by the towers. The towers include three legged support bases that are collapsible to make the base convenient to store and transport. The brackets includes safety latche...
02/10/1987
4598794Scaffolding system
A side rail system for interconnecting layered sections of elongated scaffold staging with the sections respectively spanning pairs of opposing upper and lower support arms of pump jacks which respectively ride on spaced apart pump jack poles. The side ra...
07/08/1986
4597471Heavy duty pump jack
A pump jack arrangement for traveling up and down a pole including a frame member upper and lower shackle members supported by the frame member. A pump arm and a support arm are provided for supporting weights. The pump arm is utilized for causing the sha...
07/01/1986
4596096Scaffold assembly for simulating the appearance of a Christmas tree
A scaffold assembly for supporting members of a musical choir in a standing arrangement simulating the appearance of a traditional Christmas tree is disclosed. The scaffold assembly is arranged in tiers of horizontal standing boards rising one above and o...
06/24/1986
4397374Auto mechanic's body support
An automobile mechanic's body support including a T-shaped mobile frame and rectangular tube members supported thereon. The support includes a platform for the mechanic to stand on and also a platform for the mechanic to lie on. Adjustments interconnect t...
08/09/1983
4382488Pump jack poles
A pump jack upright pole formed of an elongated metal pole having a rubberized surface formed on only one side of the metal pole. The pump jack securely rides up and down the pole. The rubberized surface is longitudinally offset with respect to the pole s...
05/10/1983
4373761Combined article mover and worker support
A combined article mover and worker support comprising a plurality of stepped horizontal platforms or steps, at least one of which is supported vertically by vertical frame members, and a handle, supported by one of the steps, which projects vertically ab...
02/15/1983
4330151Multi-purpose adjustable table and bench device
This disclosure describes a multi-purpose adjustable table and bench device having a table top and benches all with adjustable heights so that the device can be used, for example, either as a table with benches attached on either side for sitting, or as a...
05/18/1982
4321874Music stand
A collapsible frame includes a plurality of legs adapted to engage a floor. The legs are connected by braces to rigidify the legs in an upstanding position. A plurality of arms are connected to the legs to form a plurality of vertically spaced support pla...
03/30/1982
4294332Scaffold with gear drive
The scaffold unit comprises a pair of towers, each having a pair of rails held together by crossties. Each rail has a gear rack on the front face thereof. The towers are held in fixed lengthwise parallel alignment by cross braces removably attached to the...
10/13/1981
4262773Portable scaffold
A self-contained scaffold and lift unit includes first and second pairs of parallel, spaced apart vertical rails joined together by horizontal braces. A movable lifting carriage unit is disposed between the pairs of vertical rails and includes pairs of ro...
04/21/1981
4260040Sawhorse extension tables
A sawhorse having a crossbar and support legs at each end of the crossbar is provided with a workpiece support member supported on the sawhorse at a position laterally offset from the crossbar and at least as high as the crossbar. A second workpiece suppo...
04/07/1981
4004653Grave frame
An assembly is shown, which provides a framework that fits in an excavation such as a grave, including two side frames that exert considerable horizontal pressure against two end frames by means of eight horizontal adjustable screws and integral bearing m...
01/25/1977
4002222Combination scaffold and utility platform
The present invention provides a combination scaffold and utility platform that is adapted to be used with two, at least, spaced apart support members. There is provided a first platform that is positioned on the support members in a spanning relationship...
01/11/1977
3974894Portable riser
A portable riser having a plurality of steps which have a travel position in superimposed relation with structure for rolling the riser along the floor, hinge means interconnecting the steps whereby they may be folded out of superimposed relation, a pair ...
08/17/1976
 
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