Chuck apparatus
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United States of America Patent
Stats
-
Apr 5, 2005
Grant Date -
Nov 25, 2004
app pub date -
May 23, 2003
filing date -
May 23, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A chuck apparatus is provided for holding a tool bit. The tool bit includes a drill, two blades, another working head and an annular groove defined therein. The chuck apparatus includes a socket, a ball detent, a collar and a joint. The socket defines an axial hole, a peripheral hole communicated with the axial hole and two slots for receiving the blades. The ball detent is put in the peripheral hole for insertion in the annular groove. The collar is movably mounted on the socket between a locking position for pushing the ball detent into the annular groove and a releasing position for allowing the ball detent to leave the annular groove. The joint includes a first section secured to the socket and a second section for connection with a motor.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- CHEN, TSAI-CHING
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Chang-Kao, Chiu-Man | Taichung Hsien, TW | 12 | 388 |
Chen, Tsai-Ching | No. 202, Lane 330, Sec. 7, Chang Lu Road, Fu Hsing Hsiang, Chang Hua Hsien, TW | 41 | 603 |
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Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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