FR2901295A1 - Individual foldable working platform for e.g. painting, has endless screw activating engine, propulsion engine displacing trolley and lifting scissors, and control unit assembled on case which is fixed on retractable vertical stand - Google Patents

Abstract

The platform has an endless screw activating engine (5) and a propulsion engine (6) for displacement of a trolley and a lifting scissors (3), and a control unit assembled on a centralized control case (10) which is fixed on a retractable vertical stand and which is tilted on the platform. The lifting scissors is activated by the endless screw activating engine that acts on an endless screw (4). The lifting scissors has a height extending from fifteen to one hundred and ten centimeters above the ground.

Description

(access by ramps, transport by trucks or trays, impossibility

  for the user to wear it for the move, example, floor of building. ) impossibility to work on load bearing floors given their weight. This invention consists in reducing, to a minimum, the number of movements .S Physics of the user, when he works at a height between 0 and 3 Meters, to limit as much as possible the back and forth movements of descent and ascent. multidirectional horizontal movements and the number of untimely portages of hoisting materials, as well as the materials stored Above. This invention leaves the possibility to the user to wear it or good -. It seems to him, given his lightness, his maneuverability, and his dimensions. This invention consists, for the user, to work at a height less than three meters, with a so-called scissor lifting system, on the one hand quickly 1 meter in 6 seccondes, at a chosen height, for an optimal comfort, the up and down the user and its equipment is automatically _45 and safely, a simple electrical control, the lifting motor, and it transmits the folding energy to the scissors, using a screw endless, or a verrin with hydraulic, pneumatic, electrical, or other. The whole being positioned on a frame of structure. The motor is reversible with a lack of current security, and operates on AC or DC power supply or battery.

  At maximum height the plateau will be between 80 cm and 110 cm from the ground At minimum height the plateau will be between 10 cm and 25 cm from the ground The individual protections at the periphery are composed of a smooth at 1 meter height, a sub-smooth 45 cm high, a skirting of 15 cm The set is built on the carrier plate but remains demountable for each use. For displacements on horizontal planes, the system is endowed with 4 wheels About 15 cm of diameter, these are in periphery equipped with rubber Soft and swollen, non-marking for the grounds. o Two examples are feasible to self-tow the invention Either two parallel wheels called backward are driven, equipped with a motor Each, these motors with electric energy, operate with an AC or continuous supply, on mains or battery, they operate Simultaneously to go forward or backward, but by. ^ 14S Using a joystick, they operate at a speed that is offset in a direction of identical rotation, to allow the apparatus to rotate and turn in all directions considered, under conditions that both front wheels are said crazy. Second Possibility of Auto-traction 20 One or two wheels called backward or forward are propelled by a single electric motor, operating with an AC or DC power supply, on mains or battery. The engine is reversible, and is equipped with a safety brake, said (lack of power). These two wheels advance or retreat Simultaneously, the other two wheels said front or rear are steered They are maneuvered manually by means of a vertical rod Fixing on the steering arms and pivoting on itself.

  The power supply possibilities of the traction and elevation motors are considered from other known energies or to be discovered. The invention will move at a very slow speed and without an armrest to allow a safe movement. The control elements, joystick or control buttons (up-down, advancing, retracting.) Are assembled on a box. It is fixed, on a vertical retractable foot, conveniently height for Commander, tilts on the platform. form allowing transport in a minimum size. So-called ground-fault detectors will be installed on bases, to avoid falls, in stairwells for example. The propulsion and elevation engines will be equipped with Butees circuit breakers.

  FIGURE 1 1 demountable bodyguards and side rails 2 demountable peripheral skirting boards 3 lifting scissors 4 worm gear motor driving worm (elevation motor) 6 engine thruster 7 rear wheel 8 front wheel 9 manual bar direction centralized control box 11 housing and battery cover or energy starter 12 carrier plate 13 structural frame 14 retractable control arm protection of the control box 16 detectors of (lack of soil) FIGURE 2 The invention is folded on itself even the dismounted individual protections The efficiency of the system as well as its multiple utility is based on a construction in light and resistant materials, each principle of realization is thought to lighten the whole, to make it as compact as possible, but also the make it portable and transportable.

  Its dimensions would be for the length of 120 cm, and the width 70 cm approximately. The thickness of the invention once the guards dismounted about 20 cm. The weight must approach 35 kg motors and battery included If however the invention is provided.

  The materials used for structures and all elements except, the engines could be aluminum, KEVLAR, titanium, composite materials, or Encore, polypropylene, the primary objective being to achieve a weight and minimal dimensions.

  The 4 wheels (7) and (8) in hollow structure and non-marking rubber for the Floors, will be flexible or inflated.

  The lightest and most compact engines (5) and (6) possible according to the Technical indications: (1 meter lifting speed for 6 seconds.) For a weight of approx. 200 kg. Traction: (1 k / h.) For a weight of 200 kg. The wheels diameter approximately 15 cm.

  The worm (4) of diameter between 15 and 30 mm of a horizontal thrust slides a base of the movable scissors (3) to actuate them

  Vertical way. The eventual batteries will be arranged on the Structure frame (13).

  If the command option is the joystick, all movements will be electronically controlled, if the command option is manual Only for direction, the joystick does not exist, the vertical direction bar (9 The control box will then have the buttons (up, down, forward, backward.) The ground loss detectors (16) will be positioned at the ends of the lower parts of the structure. The lowering of the housing (11) and the frame (13) will be as low as possible in order to obtain the best stability.

  Industrial applications are possible, structures, materials, motors and controls, are found in the trade, the invention must be built in lightweight materials, and be easily transportable by a single user.

  The invention must exist thanks to the scrupulous choices of the materials used according to their weight, their technical capacity, resistance and price. The utility and need to acquire the invention are based on practicality.

Claims (4)

  1 - Individual folding work platform with motorized lifting and moving, characterized in that it comprises a scissor lift system (3), two motor mechanisms for moving the carriage and lifting the platform, and that control members collected on a housing, which is fixed on a vertical retractable foot, and which tilts on the platform, allowing transport in a minimum footprint.   2 - individual work platform according to claim 1 characterized in that the lifting is actuated by a motor (5) acting on a worm (4).   3 - individual work platform according to claims 1 and 2 characterized in that on the structure (13) comprise ground deficiency detectors (16)   4 - individual work platform according to any one of the preceding claims, characterized in that the lifting height can go from 15 cm to 110 cm above the ground. - Individual work platform according to any one of the preceding claims, characterized in that the dimensions are 120 cm for the length, 70 cm for the width, and once the guards disassembled thickness of about 20 cm.