Level device

Details Level device Level device

2006-05-09

2006-05-09

Guadalupe, Yaritza (Department: 2859)

Geometrical instruments

Straight-line light ray type

Level

C033SDIG021, C033S286000

Reexamination Certificate

active

07040031

ABSTRACT:
A level (100) includes a light source (10) and a cone-shaped reflecting element (40) with reflecting surface for reflecting light beam from the light source to produce a circumferential leveling plane. The light source is arranged adjacent to the peak of the cone-shaped reflecting element, and on the center axis of the cone-shaped reflecting element.

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patent: 2005/0219706 (2005-10-01), Yamagishi
patent: 2005/0232118 (2005-10-01), Sun

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