Lifting and carrying device

{
  "publication_number": "EP0961745A1",
  "country": "EP",
  "kind": "A1",
  "title": "Lifting and carrying device",
  "abstract": "The present invention is for a lifting and carrying device for gas bottles and the like which due to their shape and weight are difficult to lift and move without lifting equipment. The device shown in the figure includes two gripping means (1, 2), which are connected to each other by two identical linking systems (4, 5). In the far end from the gripping devices of the linking system there are two handles (6, 7). The link system which comprises torque links are so arranged that the gripping devices (1, 2) are displaced parallel relative to each other when the handles (6, 7) are moved in a direction at right angle to a plane through the gripping devices, i.e. the handles in practice are moved upwards or downwards in order to open or close respectively the gripping device.",
  "claims": [
    "1. Lifting and carrying device for gas bottles and the like objects (3) in a vertical position, comprising two opposite gripping devices (1, 2) for gripping the object (3) characterised in that the two opposite gripping devices (1, 2) are connected to each other by two parallelogram four-bar linkage devices (4) for displacement of the gripping devices, that handles (6, 7) are mounted on the four-bar linkage devices (4) in such a way that when they are actuated by a lifting force the gripping devices are moved towards each other and that the gripping devices are flexible so that they adapt to the shape of the object which shall be lifted.",
    "2. Device according to any of the preceding claims, characterized therein, that the distance between the handles (6, 7) and the gripping device is 150 - 400 mm, preferably about 250 mm."
  ],
  "description_excerpt": "The present invention is for a lifting and carrying device for gas bottles and the like which due to their shape and weight are difficult to lift and move without lifting equipment. The invention is primarily intended to be used by manual lifting and short distance movements, for example within a workshop or working place.\n\nThe moving of gas bottles in these cases can take place in different ways. The bottles which are shaped as circular cylinders may be tilted and rolled on the edge around their bottom. They may also be moved by means of different kinds of transportation carts. The handling requirements due to security and other reasons, however, make it unsuitable or unallowed to roll the bottles when they are in a down-laying position. Also the above mentioned means of transportation are unsuitable, risky or bring with them difficulties, for example when passing thresholds and staircases and from an ergonomic point of view.\n\nOne means for lifting and moving gas bottles is described in US 3,960,398. The means, which comprises two members which are linked together, must be exactly adapted to the size of the gas bottle onto which it is to be used. The design of this device is also such that the surface of contact between the lifting device and the gas bottle will be very small and only comprise two short edges of the lifting device. This brings with it disadvantages both by a very high load on the device and the gas bottle in the contact surfaces and by the risk that the bottle due to its weight or some movement in connection with lifting and transportation will slip in the carrying device.",
  "cpc": [
    "F17C 13/084",
    "B65G 7/12",
    "F17C 2201/0109",
    "F17C 2201/0119",
    "F17C 2201/032",
    "F17C 2201/058",
    "F17C 2205/0165"
  ],
  "ipc": [
    "B65G 7/12",
    "F17C 13/08"
  ],
  "assignees": [
    "NORRAHAMMARS PLATSLAGERI AB"
  ],
  "inventors": [
    "SANBERG TERJE",
    "SANDBERG STEIN"
  ],
  "filing_date": "1996-08-29",
  "publication_date": "1999-12-08",
  "priority_date": "1995-08-30",
  "application_number": "EP-96929633-A",
  "family_id": "20399317"
}