Geometrical instruments – Scriber – Curved surface
Patent
1991-12-13
1993-04-20
Cuchlinski, Jr., William A.
Geometrical instruments
Scriber
Curved surface
33 241, B43L 900
Patent
active
052030881
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a method for carrying out, at an order site, the engraving of an article with a curved surface, for example a ring, in which the orderer sends to the order site instructions regarding the article and the engraving, and in which an article in accordance with such instructions is produced, or is selected from among articles produced beforehand, and is applied into computer-controlled engraving equipment. The latter can be supplied with the engraving instructions and is designed to emit corresponding control signals to an engraving machine forming part of the equipment. The present invention also relates to an engraving machine for carrying out the method. The machine can be controlled by means of the control signals from the computer equipment, in which the engraving instructions for the article with the curved surface can be input.
BACKGROUND OF THE INVENTION
The engraving of rings, for example, has hitherto normally been carried out in the shop in which the ring or similar article is offered for sale. The ring engraving has in this respect been carried out manually and has hitherto constituted a genuine craft.
Computer-controlled engraving equipment is previously known, and it is also known to use control signals from computer equipment to control engraving on the flat surfaces of articles. The control signals in this respect control the head of an engraving needle which is brought into cooperation with the material of the article and is then guided along the article.
There is a general requirement to simplify and improve the selling and other handling of rings and similar articles which are to be provided with some kind of custom engraving. The production of the article or ring and the engraving thereof have hitherto been carried out at different sites, and great gains in terms of simplification are to be made by being able to coordinate these operations effectively.
There is also a requirement for an effectively operating engraving machine in which it is possible, while retaining good results, to considerably speed up the engraving work which has hitherto been carried out manually.
SUMMARY OF THE INVENTION
The aim of the present invention is to provide a method permitting more effective selling of rings and other articles with bent or curved surfaces which are to be provided with individual engravings. Instead of each shop keeping a large inventory or having its own workshop, it is proposed in accordance with the invention that only sample collections need to be kept in each shop. The taking of measurements and instructions will be carried out in the shop, and the ordering of both the ring (or the like) and the engraving will be carried out at a central site which, in addition to the production function, thus also provides the engraving service.
The feature which may principally be regarded as characterizing a method according to the invention is that the produced or selected article is secured in a member which is rotatable in its own plane and forms part of the engraving machine, in that the computer equipment is activated in order to emit the control signals which are received by first and second control members, likewise forming part of the machine, for controlling the rotatable member and a device supporting an engraving member/engraving needle, and in that the rotatable member and the engraving device are controlled in coordination by the control signals in order to obtain an engraving, corresponding to the input instructions, on the bent or curved surface of the article.
The present invention also proposes an engraving machine which makes it possible to engrave rings and other articles with curved surfaces in an effective and economical manner. The machine is preferably made in such a way that it can be adjusted to different ring diameters, ring thicknesses and the like. By using known computer equipment different type faces can be selected from this program in a known manner.
A machine which can be controlled by control signals receiv
REFERENCES:
patent: 4146966 (1979-04-01), Levine et al.
patent: 4166319 (1979-09-01), Rosenberg
patent: 4254552 (1981-03-01), Samis
patent: 4854205 (1989-08-01), Anderka
Cuchlinski Jr. William A.
Wirthlin Alvin
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