Geometrical instruments – Scriber
Patent
1987-10-05
1989-05-30
Haroian, Harry N.
Geometrical instruments
Scriber
33 2303, 33 1M, B43L 1300
Patent
active
048337854
ABSTRACT:
A combination X-Y positioning mechanism includes a first guide means linearly reciprocable relative to a frame and a second guide means linearly reciprocable relative to the first guide means with the directions of relative reciprocation being substantially mutually perpendicular. A first carriage means is slidable along the respective first guide means and a second carriage means is fixed to the second guide means responsively to the actuation of a closed loop driven by a pair of stationarily fixed bidirectional drive motors and engageable with a series of strategically placed pulleys. A carrier is slidably supported on the second guide means.
REFERENCES:
patent: 3154855 (1964-11-01), Pelton
patent: 3753384 (1973-08-01), Anfindsen
patent: 3971036 (1976-07-01), Gerber et al.
Parent Christopher A.
Voss James R.
Haroian Harry N.
United Innovations Division of United Engineers, Inc.
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