Title:
SPIRIT LEVEL
Document Type and Number:
WIPO Patent Application WO/2011/010838
Kind Code:
A2
Abstract:
The present invention relates to a spirit level, being an L-shaped spirit level (1) in which a plurality of level gauges (12) are respectively formed in a first frame (10) and a second frame (11) and the first and second frames (10) (11) are integrally formed at right angles, wherein: a through-hole (13) is formed passing through the first frame (10) in the centre of the first frame (10); a slot-in hole (14) is formed on the surface of the first frame (10) perpendicular to the through-hole (13); a securing member (20) is formed coupled to the through-hole (13); a coupling piece (30) is formed slotted into the slot-in hole (14); the securing member (20) is formed with a plurality of coupling holes (21), and on one side is bent into a U shape at the end of which is formed a supporting piece (22) rendered resilient by means of a first spring (22a); the lower part of the coupling piece (30) is formed with a slot-in projection (31) which is slotted into the slot-in hole (14); and a coupling pin (32) passes through the coupling piece (30) such that coupling takes place in a resiliently supported fashion by means of an embedded second spring (32a).
Inventors:
BYEON, Gyeong Seop (360-53, Hongje 1-dong Seodaemun-gu, Seoul 120-861, 120-861, KR)
Application Number:
KR2010/004687
Publication Date:
January 27, 2011
Filing Date:
July 19, 2010
Export Citation:
Assignee:
BYEON, Gyeong Seop (360-53, Hongje 1-dong Seodaemun-gu, Seoul 120-861, 120-861, KR)
International Classes:
G01C9/28; G01C9/02
Attorney, Agent or Firm:
LEE, Young Geun (A & C Int. Patent & Law Office, 3F 971-13 Sinjeung-dong, Yangcheon-gu, Seoul 158-860, 158-860, KR)
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