FIELD: measuring engineering.
SUBSTANCE: base (1) is provided with bearing (2), measuring rule (9), and handle (3). Movable bearing (5), lever (4) secured to handle (3) and spring (6) are mounted for permitting the movable bearing to move to the initial position and operation position, respectively. When movable bearing moves, pointer (7) secured to the rod also moves.
EFFECT: enhanced accuracy.
3 dwg
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Authors
Dates
2004-12-10—Published
2002-09-19—Filed