Manual image-text duplicator

A duplicator, graphic and text technology, applied in the field of drawing tools, can solve the problems of low precision, inflexible drawing, inconvenient operation, etc., and achieve the effects of precise mechanism adjustment, precise drawing, and flexible pen movement.
CN101700722AInactive Publication Date: 2010-05-05许洪波
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
许洪波
Publication Date
2010-05-05
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a manual image-text duplicator capable of magnifying or shrinking an image-text when duplicating the image-text manually. Aiming at solving the defects that the existing image zooming rule in use is inconvenient to operate and easy to damage the original, the invention provides a manual image-text duplicator with convenient operation and no damage to the original. The duplicator comprises a strut of bridge shape and a dual-parallelogram mechanism, the dual-parallelogram mechanism is provided with hinge connecting holes for exchanging parallelograms of different dimensions; the two parallelogram mechanisms in the dual-parallelogram mechanism are divided into a drawing side parallelogram mechanism and a tracing side parallelogram mechanism with the strut as the boundary, wherein the ends of two short poles 1 in the drawing side parallelogram mechanism are connected by a hinge pin 3 and a hinge pin ring hinge, the end of short pole 1 and that of short pole 2 in the tracing side parallelogram mechanism are connected by a hinge pin 3 and a hinge pin ring hinge, and the hinge pins 3 are provided with a fid inserting hole.
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Description

technical field

[0001] The invention belongs to the field of drawing utensils, in particular to a manual picture-text duplicator capable of enlarging or reducing pictures and texts when copying pictures and texts by hand. Background technique

[0002] In order to achieve the purpose of magnifying or reducing graphics by hand, people have designed various graphics scaling rulers, such as: "enlargement and reduction tracing device" of patent No. 93203173.0, "zoom ruler" of patent No. , the existing various graphics scaling rulers bring convenience to people when they are used to manually enlarge or reduce graphics. But existing all kinds of graphic scales also have the following deficiencies in use:

[0003] 1. There is no function of lifting and lowering the pen synchronously. In order to avoid moving traces when the pen is broken when drawing, you need to carry the tracing pen with one hand and the drawing pen with the other, which is inconvenient to operate and difficult t...

Claims

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