Title:
LENGTH MEASURING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2019/194370
Kind Code:
A1
Abstract:
The present invention comprises: a first case (110) provided with a bobbin shaft (111) at the center thereof; a second case (120) to which a circuit board (125) is attached; a bobbin (350) which is mounted on the bobbin shaft (111) and around which a tape is wound; a sensor for sensing the amount that the bobbin rotates as a result of the withdrawal of the tape; and first and second tilting preventing members (150, 160) for preventing tilting of the bobbin during rotation of the bobbin, wherein the first tilting preventing member (150) comprises: a first horizontal fixing portion (151) coupled to the circuit board; and a first vertical fixing portion (153) formed perpendicular to the first horizontal fixing portion (151) and in a cylindrical shape, and the second tilting preventing member (160) comprises: a second horizontal fixing portion (161) having an inner circumferential surface (165) rotatably coupled to the upper end of the bobbin shaft (111) and an outer circumferential surface (162) coupled to the inner circumferential surface of an internal cylinder (353) of the bobbin around which the tape is wound, the second horizontal fixing portion (161) rotating with the bobbin; and a second vertical fixing portion (163) formed perpendicular to the second horizontal fixing portion and in a cylindrical shape.
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Inventors:
HAM SUNG SEEK (KR)
HWANG JUNG HOON (KR)
KIM MYUNG JONG (KR)
SON MIN KI (KR)
HWANG JUNG HOON (KR)
KIM MYUNG JONG (KR)
SON MIN KI (KR)
Application Number:
PCT/KR2018/010125
Publication Date:
October 10, 2019
Filing Date:
August 31, 2018
Export Citation:
Assignee:
BAGEL LABS CO LTD (KR)
International Classes:
G01B3/10
Foreign References:
| CN201327364Y | 2009-10-14 | |||
| JP3199375U | 2015-08-20 | |||
| KR20040008254A | 2004-01-28 | |||
| JP2000097601A | 2000-04-07 | |||
| US20040211856A1 | 2004-10-28 |
Attorney, Agent or Firm:
MI PATENT AND LAW FIRM (KR)
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