Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Patent
1995-10-13
1998-01-06
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
294 8233, B63B 2154, B66C 136
Patent
active
057046689
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
The present invention relates to a remote and fast-acting fastening and release device.
The technical sector of the invention is the field of manufacturing systems for providing linking and mooring between two points that are to be connected together, at least one of the two points being a moving point.
One of the main applications of the invention is mooring boats to a ring provided for that purpose, which ring may be secured or fixed on a buoy, a mooring buoy, a quay, another boat, etc. . . .
Various devices are known enabling such links or moorings to be made for boats, however they are also known in other fields, such as railways, goods-handling, mountain climbing, etc. . . .
By way of example, various patent applications may be mentioned that deal with such devices, such as:
French patent application FR 2 606 732 published on May 20, 1988, in the names of Berenger and Mouysset, entitled "Fastening and/or release device mounted at the end of a mooring-carrying boathook pole for mooring a mooring buoy or a ring". That device essentially comprises a standard snap-hook arrangement enabling opening and closing thereof.
French patent application FR 2 585 664 published on Feb. 6, 1987 and filed by Mr. Boucheron, entitled "Safety boathook for mooring on an anchor buoy under remote control" which describes a system equivalent to the preceding system,
French patent application FR 2 505 433 published on Nov. 12, 1982 filed by Mr. Orighoni and entitled "A device for fast-acting and safe mooring of a cable, e.g. a mooring for a boat", which describes a system integrated in a hook comprising a fixed portion and a moving portion, which portions are linked together by locking means, and the system further including members for operating it at a distance from the hook.
European application EP 390 834 published on Oct. 10, 1990, filed by Grassi and Ronchi under Italian priority and entitled "A fast-acting stop clamp whose clamping force is a direct function of load, for use with cables for suspending weights, . . . ", or indeed European application EP 81 844 published on Jun. 22, 1983 and filed under American priority by B. F. Goodrich Company, and entitled "A set of hooks with automatic closing and release".
All of those systems and devices set out to be suitable for remote and fast-acting fastening and release in certain applications, however they are generally too fragile and not suitable for taking up large forces, or else they are complicated to use and therefore require very special skill in order to enable them to be engaged; some of them are adapted to applications that are highly specific, such as holding under a load, and do not enable fastening to be achieved since they open whenever the load is relaxed, and that happens often when the load is a moored boat, in which case it would be dangerous.
Mention may also be made of fast-opening snap-hooks and other devices that require direct manual intervention by an operator in order to be put into place, which goes against the object of the present invention.
The problem posed is to be able to fasten any link element, e.g. a boat mooring, to a mooring part such as the ring on a buoy, with this being done remotely from the mooring part, at a distance is not stable, e.g. from the deck of a boat that is under way, thus requiring fastening to be performed accurately and quickly by means of an approach and grasping movement that is simple so as to make it possible to avoid re-starting the operation too often; once fastening has been achieved, the device must ensure a safe mooring by taking up any traction force that may be applied to said mooring, e.g. because of forces being applied to said boat by the wind, by the current, and/or by its own motor, which traction forces must be capable of being taken up by said mooring part; in addition, it must be possible rapidly to release said device carrying the element for linking to said mooring part without any risk of jamming, and whenever so desired, e.g. for the purpose of leaving a mooring quickly, in particula
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