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Title:
LASER MARKER
Document Type and Number:
WIPO Patent Application WO/2020/158143
Kind Code:
A1
Abstract:
Provided is a laser marker with improved cooling efficiency of a laser output unit. The laser marker 1 includes an outer cover 20 provided with a ventilation port 22, an exhaust device attached to the outer cover 20 at a position separated from the ventilation port 22 in the front-rear direction D1, a laser output unit 50 disposed between the ventilation port 22 and the exhaust device in the front-rear direction D1 inside the outer cover 20, and an inner cover 70 that covers the entire surface of the laser output unit 50 inside the outer cover 20 in the left-right direction D3 and a vertical direction that are orthogonal to the front-rear direction D1. Both sides of the inner cover 70 in the front-rear direction D1 are open, a first ventilation space AS1 is provided between the inner cover 70 and the outer cover 20, a second ventilation space AS2 is provided between the inner cover 70 and the laser output unit 50, and the inner cover 70 has a right opening 78 provided at a position facing the laser output unit 50.

Inventors:
USHIRODA KOSUKE (JP)
NISHIKAWA YASUO (JP)
Application Number:
PCT/JP2019/046541
Publication Date:
August 06, 2020
Filing Date:
November 28, 2019
Export Citation:
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Assignee:
BROTHER IND LTD (JP)
International Classes:
B23K26/00; H01S3/00; H01S3/04
Domestic Patent References:
WO2012140797A12012-10-18
Foreign References:
JPH0541162U1993-06-01
JP2004111765A2004-04-08
JP2008062260A2008-03-21
JP2016072338A2016-05-09
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