JPS5544474A - Wire unwinding device - Google Patents
Wire unwinding deviceInfo
- Publication number
- JPS5544474A JPS5544474A JP11803678A JP11803678A JPS5544474A JP S5544474 A JPS5544474 A JP S5544474A JP 11803678 A JP11803678 A JP 11803678A JP 11803678 A JP11803678 A JP 11803678A JP S5544474 A JPS5544474 A JP S5544474A
- Authority
- JP
- Japan
- Prior art keywords
- wire
- arm
- unwinding device
- coil spring
- opening angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
PURPOSE: To provide a wire unwinding device capable of absorbing excessive tention liable to occur in the initial stage of unwinding wire and preventing slack of wire generating from the above inertia force.
CONSTITUTION: This wire unwinding device 8 is composed of shaft core 9 provided in the center of drum 6, No.1 and No.2 arm 10, 11 fitted around this shaft core, being free in rotary motion, and coil spring 12 which intervenes between the above arms so as to hold the position of these arms at adquate angles. Hole 15 to pass wire 7 has been drilled on tip of each arm 10, 11. When the tension applied towire 7 increases, while wire 7 is atretched toward A direction, the opening angle beteen each arm 10, 11 decreases against elastic reaction of coil spring 12, resulting in the same rotary torque as the case before occurrence of large tension. When the tension applied to wire 7 is released, the opening angle between each arm 10, 11, returns to the original condition.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11803678A JPS5544474A (en) | 1978-09-27 | 1978-09-27 | Wire unwinding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11803678A JPS5544474A (en) | 1978-09-27 | 1978-09-27 | Wire unwinding device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5544474A true JPS5544474A (en) | 1980-03-28 |
JPS6110386B2 JPS6110386B2 (en) | 1986-03-29 |
Family
ID=14726453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11803678A Granted JPS5544474A (en) | 1978-09-27 | 1978-09-27 | Wire unwinding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5544474A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485991A (en) * | 1991-08-21 | 1996-01-23 | Canon Kabushiki Kaisha | Automatic sheet feeding apparatus |
US7610675B2 (en) * | 2003-04-25 | 2009-11-03 | Assa Abloy Ab | Method to produce a transponder |
-
1978
- 1978-09-27 JP JP11803678A patent/JPS5544474A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5485991A (en) * | 1991-08-21 | 1996-01-23 | Canon Kabushiki Kaisha | Automatic sheet feeding apparatus |
US7610675B2 (en) * | 2003-04-25 | 2009-11-03 | Assa Abloy Ab | Method to produce a transponder |
Also Published As
Publication number | Publication date |
---|---|
JPS6110386B2 (en) | 1986-03-29 |
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