Title:
SCREW DEVICE AND METAL WASHER FOR SCREW DEVICE
Document Type and Number:
Japanese Patent JP2017003036
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To easily and clearly remove a curing film even in a case of attaching a screw device from above the curing film in advance.SOLUTION: A screw part 3 is provided at a screw shaft part 1, and a screw body 6 having a screw head part 4 larger than the outer diameter of the screw part 3 is provided at the base end of the screw shaft part 1. The outer peripheral part of the screw head part 4 is formed so that its diameter is equal to or smaller than that of the outermost peripheral part of a fastened object opposite surface part 7 in the screw head part 4. A biting blade 8 capable of biting into the surface of a fastened object 5 with fastening of the screw part 3 is provided over the whole circumference on the outermost peripheral part of the fastened object opposite surface part 7.SELECTED DRAWING: Figure 1
Inventors:
ASAI TOMOAKI
Application Number:
JP2015118676A
Publication Date:
January 05, 2017
Filing Date:
June 11, 2015
Export Citation:
Assignee:
YUNITE:KK
International Classes:
F16B35/00; F16B39/24; F16B39/282; F16B43/00
Domestic Patent References:
| JPS4821065U | 1973-03-09 | |||
| JPH02128297U | 1990-10-23 | |||
| JPS311639Y1 | ||||
| JP2000087946A | 2000-03-28 | |||
| JP2006242324A | 2006-09-14 | |||
| JPS6289515U | 1987-06-08 | |||
| JPH11201130A | 1999-07-27 | |||
| JPH11190321A | 1999-07-13 | |||
| JP2003184844A | 2003-07-03 | |||
| JP3030340U | 1996-10-22 | |||
| JPS5942309U | 1984-03-19 | |||
| JP2002122123A | 2002-04-26 |
Attorney, Agent or Firm:
Koji Kitamura
Toshio Takao
Naoko Shimada
Toshio Takao
Naoko Shimada
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