Compass and compass-cutter with ratchet mechanism

Geometrical instruments – Scriber – Curved line

Reexamination Certificate

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C033S027060, C033S018100

Reexamination Certificate

active

06889440

ABSTRACT:
A manipulator of a compass for drawing a circle or a compass-cutter for cutting an object in circular configuration is provided with a mechanism for transmitting the force from the user's hand only in one direction. With such the construction, a user can smoothly draw a complete circle at 360 degree, or can cut a paper, a cloth and so on in circular configuration, without re-pinching the manipulator during operation, in a manner for a ratchet which is a commercially available tool.

REFERENCES:
patent: 677339 (1901-07-01), Comstock
patent: 800257 (1905-09-01), Abetz
patent: 2309809 (1943-02-01), Vane
patent: 2499673 (1950-03-01), Olejniczak
patent: 4662073 (1987-05-01), Prusman
patent: 4822284 (1989-04-01), Cohen
patent: 4923407 (1990-05-01), Rice et al.
patent: 5233715 (1993-08-01), Huang
patent: 5542185 (1996-08-01), Boda
patent: 5596809 (1997-01-01), Beard
patent: 5895183 (1999-04-01), McDaniel et al.
patent: 6167628 (2001-01-01), Jones et al.
patent: 6276067 (2001-08-01), Hsu
patent: 6546634 (2003-04-01), Ming
patent: 29706392 (1997-07-01), None
patent: 933784 (1946-09-01), None
patent: 1375155 (1974-11-01), None
patent: 2285594 (1995-07-01), None
European Search Report.
MARTOR catalogue, p. 10.

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