Buckles – buttons – clasps – etc. – Cord and rope holders – Sliding part or wedge
Patent
1983-01-27
1985-05-14
Sakran, Victor N.
Buckles, buttons, clasps, etc.
Cord and rope holders
Sliding part or wedge
24115K, 241226, 24136K, 114 39, 114 97, B63B 1502, F16G 1100
Patent
active
045162956
DESCRIPTION:
BRIEF SUMMARY
This invention relates to securement means having particular application with respect to holding of a rope with respect to a boom of a device now commonly known as a "wind surfer".
With a "wind surfer" there is included a boom which is held conventionally by a rider who can thereby hold a sail, in an effective orientation with respect to the wind and thereby effect movement of the "wind surfer" over the water.
It has been found preferable for more experienced riders to have some means by which the sail can be held without continual use of the hands and there has therefore developed a technique by which a rope is attached at spaced apart distances on the boom and the rider has secured to him a hook which is interconnected with the rope, this being conventionally referred to as a "Hawaiian Harness".
The problem to which this invention is directed is the difficulty of attachment of this rope to the boom.
While these following features will genreally be very well known to those familiar with this art, some reference to these may assist the reader not particularly familiar with this art.
The simplest method of all of attaching a rope to the boom would be to simply tie this at several spaced apart positions along the boom.
The problem here is that the type of material conventionally required to be used as rope will tend to tighten substantially with respect to any knots tied in it and further more it is essenitial from time to time to be able to alter the position of the location securement points of the rope with respect to the boom.
This comes about for instance by changes in the weather and therefore a different positioning of the holding point with respect to a forward to aft position of the sail and it therefore becomes essential to be able to shift the securement point of the rope from time to time.
Simply tying the rope makes it most difficult in practise to undo or to change position and in practise this has not been preferred.
It is a desirable feature that the length of rope be kept as short as reasonably possible and preferably held so that the rope will generally project outwardly from the boom to facilitate easy attachment to the hook attached to the rider.
Ideally, a securement arrangement should enable any securement to be readily releasable but otherwise able to positively hold with respect to the boom and at the same time in a preferred arrangement be capable of being placed on the boom without access to an open end of the boom.
Further to this, the securement arrangement should be such that it can be economically manufactured and as simple as can be possible to minimise any breakdown in operation.
Self evidently, the apparatus should be capable of being made in such a simple way from materials which are essentially non-corrosive.
The invention in one form can be said to reside in apparatus for attachment of each end of a rope to the wishbone boom of a sail board for use with a "Hawaiian Harness" the apparatus including a frame adapted to be locatable alongside the boom, and a pliable member adapted to engage around the boom and inter-engage with the frame member, and rope holding means on the frame and arranged to facilitate pulling of a rope attached thereto along the direction of elongation of the boom, the frame and the pliable member being so arranged and adapted to locate around a boom such that with such pulling, there can result a tightening of the pliable member about the boom and a tight gripping of the boom thereby.
The preferred arrangement includes the feature that the pliable member has two ends which engage with slidable freedom along the frame and by reason of the slidable attachment location, the tightening of the grip by the pliable member around a boom can thereby be effected.
Preferably, the frame includes two legs which are located in a converging relationship, one with respect to the other and these provide the slidable engagement means around which the ends of the pliable member can engage.
Preferably the legs are joined together at one end by releasable securable means su
REFERENCES:
patent: Re31167 (1983-03-01), Schweitzer et al.
patent: 1526789 (1925-02-01), Hutter
patent: 2573745 (1951-11-01), Wallenberg
patent: 2635796 (1953-04-01), Davolt
patent: 3191569 (1965-06-01), Coombe
patent: 3791330 (1974-02-01), Haddad
patent: 4019609 (1977-04-01), Wagner
patent: 4136414 (1979-01-01), Popkin
patent: 4311107 (1982-01-01), Imre
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