Cutlery – Cutting tools – With blade moving means
Patent
1992-07-07
1994-11-08
Seidel, Richard K.
Cutlery
Cutting tools
With blade moving means
30277, 30366, B26B 500, B26B 700, B26F 100
Patent
active
053614992
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a hand-held, battery powered, wall paper trimmer which can cut, shape or profile wall paper in situ, thus avoiding marking and cutting by scissors around fitments doors, window recesses, skirtings, covings and the like.
The present-day tendency for home owners to carry out decoration and repairs to their properties has increased considerably because of the availability of electrically powered and other hand tools which will perform tasks which were previously deemed to be professional skills.
The `do-it-yourself` ability has been encouraged, not only by the proliferation of power tools but as a result of the high cost of professional services.
However, not only has the unskilled home owner been encouraged to perform tasks in and about the home by the case with which power tools can perform such tasks, but the professional operative too has made use of these aids to reduce time and provide greater accuracy in carrying out such work.
Home decoration, comprising applying paper to wall surfaces is one task taken on by home owners more frequently, and especially so by ladies. Rolls of wall paper can be purchased which are already trimmed and sized with adhesive which requires only the cut lengths of paper to be immersed in water. Paper manufacturers sometimes provide a waxed paper box to contain water into which the cut lengths of wall paper may be immersed for a short while to moisten the adhesive.
It is in the realm of cutting special shaped in wall paper to fit around electrical switches and sockets on the wall, or around door frames, window frames, conduit pipes, pelmets and other fixed room objects, that D.I.Y. aids have, until now, been given scant attention. It is not a simple task to cut cleanly and accurately a shape to fit an electrical switch in a length of wall paper which has been `pasted` on the wall-side surface and is therefore wet and slippery. The paper being saturated by the paste is also prone to tearing and is not easy to cut with a scissors, even if marked in some way and the scissors is sharp.
According to the present invention there is provided a hand-held, light-weight, battery powered, electrical trimmer which can cut through wall paper and other paper applications, accurately, neatly and without difficulty in a fraction of the time it would take by scissors or knife.
The trimmer employs a plurality of cutting rods which reciprocate in a horizontal mode at high speed to indent and cut through paper at speed and with accuracy. The trimmer can be held in one hand and its electric motor is energised by depressing a spring-loaded button switch. The battery powered electrical motor will activate through gearing, which is quiet in operation, a series of round, hardened and ground steel or other metal cutting rods which will reciprocate rapidly in a horizontal plane.
The trimmer is placed at the site of any wall projection, the shape of which has to be cut into the paper and is slid along effortlessly about the profile while the paper is in situ.
The slender high speed reciprocating cutting rods penetrate through the paper without applying but a light hand pressure to ensure contact is maintained. The trimmer is powered by four 500 mhc rechargeable dry cell batteries which produce a combined voltage of 4.8 to power the electric motor. The batteries may be re-charged from a direct-current power source of 12 volts through a purchasable battery charger. The trimmer has a built-in 2.1 mm charging socket and a LED signal lamp to indicate that the correct charging procedure has been carried out and maintained.
The overall dimensions do not exceed 120 by 40 by 40 millimetres, nor the weight inclusive of the rechargeable batteries no more than 200 grammes.
A specific embodiment of the invention will now be described by way of example only, with reference to the accompanying drawings in which:
FIG. 1 illustrates the TRIM-EASY trimmer pictorially and about its full size.
FIG. 2 shows the internal components of the `TRIM-EASY` trimmer.
FIG. 3a-3d illustrates some of the more im
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Janaway Alexander D.
Janaway Christine
Heyrana Sr. Paul M.
Schindler Edwin D.
Seidel Richard K.
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