Metal working – Method of mechanical manufacture – Repairing
Patent
1996-03-25
1998-07-21
Echols, P. W.
Metal working
Method of mechanical manufacture
Repairing
532845, 401243, B23P 600, B43K 2312
Patent
active
057819793
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a nib changing apparatus for a fountain pen and, more particularly, to an apparatus which can also provide packaging for a fountain pen nib.
Nibs for fountain pens are often packaged in tubes or other similar containers and obviously have to be removed from the container before they can be inserted in a fountain pen. Unfortunately, this is often a somewhat messy operation as the nib which is being replaced usually contains ink and, since it has to be grasped by the operator, usually therefore leaves ink on the fingers of the operator.
The present invention is aimed at providing apparatus which renders the operation considerably less messy and which can also be used to provide packaging for a new nib and for a nib which has been replaced.
According to the present invention there is provided a nib changing apparatus for a fountain pen which comprises a tubular container having an opening at each end, and a pair of end closures, each of which is adapted to fit onto the end of the tubular container and each of which includes a socket configured to receive and engage a fountain pen nib in order to retain the nib therein.
By means of this apparatus a fountain pen nib can be stored within the tubular container, held by one of the end closures until such time as it is required to replace an existing nib. The end closure which is not being used to hold the nib within the container can then be removed from the tubular container, engaged with the nib which is to be replaced and then used to unscrew and remove that nib. The replacement nib, gripped by the other end closure, can then be removed from the container and inserted in the pen, whereafter the end closure can be removed from the nib and re-fixed to the end of the tubular container, after which the old nib, mounted on its end closure can then be put into the container and the other end closed. Since the operator only has to manipulate the container and end closures, his or her fingers never have to come into contact with the nib itself and therefore there is no risk of ink bleeding from the nib onto the user's fingers.
Preferably, each of the end closures has a socket which is closely configured to the shape of a particular style of nib, i.e. one for a particular fountain pen, but it is within the scope of the invention for the end closures to be adapted for use with a range of different pen nibs.
Preferably each of the end closure sockets includes a key or detent which mates with a corresponding keyway or slot in the fountain pen nib in order to fix the nib in a given angular position within the end closure so that unnecessary force does not have to be applied to the end closure to grip the nib when it is being screwed into or out of the fountain pen.
The end closures may be of different colours to simplify the operation for the user and so that the user can be guided through the steps for using the apparatus by a simple set of linked diagrams.
The end closures are preferably an interference fit within the end of the tubular container, which may be a simple transparent plastics tube, the end closures each having an elongate spigot which fits within the end of the tubular container and which forms the outside of the socket for the fountain pen nib, and a larger diameter end portion which provides a gripping portion for the user. The elongate spigot may be provided with a number of angularly disposed ribs which provide the interference fit with the internal diameter of the tubular container and the spigot may be provided with one or more axial slots to allow a degree of flexing of the socket for securing the nib within it.
To aid engagement of the end closure with a fountain pen nib a relief pattern may be formed on the end closure in the shape of a nib to indicate the correct orientation of the end closure with the nib.
One example of apparatus in accordance with the present invention will now be described with reference to the accompanying drawings in which:
FIG. 1 is an assembled part-sectional view of the apparatus with a fou
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Cekala Chester
Echols P. W.
Howley David A.
Parker Pen Products
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