Title:
KNOCKOUT STRUCTURE
Document Type and Number:
Japanese Patent JP2004229464
Kind Code:
A
Abstract:
To provide a knockout structure wherein knockout portions can be punched with reliability and ease and, if the knockout portions are not used, water-proofing property and dust-proofing property are provided.
The knockout structure is constituted as follows: the knockout portions 2, formed in the body 1a of a box 1 and the peripheries 3 of the knockouts, are connected to each other through thin films 4 without gaps; the thin films 4 at the ends of the knockout portions 2 are provided with grooves, and parts of the grooves are provided with anchoring portions to which a tool, such as a slotted screwdriver 7, can be anchored and whose width is greater than that of the grooves.
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Inventors:
TAKAHASHI NORIO
Application Number:
JP2003017483A
Publication Date:
August 12, 2004
Filing Date:
January 27, 2003
Export Citation:
Assignee:
KAWAMURA ELECTRIC INC
International Classes:
H05K7/00; H02G3/08; (IPC1-7): H02G3/08; H05K7/00