Tool coupler/knife combination

Compound tools – Cutter combined with other tool or tools

Reexamination Certificate

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Details

C007S165000, C007S105000, C007S138000, C030S162000

Reexamination Certificate

active

06276014

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a tool coupler/knife combination, and more particularly to a combination of a knife and a tool coupler to which a tool bit is engaged.
2. Description of the Related Art
A so-called art designer knife is usually used to cut paper, thin plastic boards, thin wood, plastic tubes, wires, etc. Nevertheless, the blade of an art designer knife is often stuck in the object during cutting, as current art designer knives are not easy to grasp and thus difficult to apply larger force. The knife provides a single function of cutting. Screwdrivers are one of the most frequently used tools, yet carriage thereof is a problem. Screws might fall into a narrow slit and thus may be difficult to be retrieved by fingers or pliers. Problems might occur accordingly.
The present invention is intended to provide a tool coupler/knife combination that mitigates and/or obviates the above problems.
SUMMARY OF THE INVENTION
It is a primary object of the present invention to provide a tool coupler/knife combination that allows firm grasp by the user.
It is another object of the present invention to provide a tool coupler/knife combination that may engage various tool bits for convenient use.
It is a further object of the present invention to provide a tool coupler/knife combination that may be adjusted to provide a longer arm of force for cutting objects or driving fasteners.
It is still another object of the present invention to provide a tool coupler/knife combination with a telescopic rod having a magnetic end for attracting screws or the like.
Other objects, advantages, and novel features of the invention will become more apparent from the following detailed description when taken in conjunction with the accompanying drawings.


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patent: 5222848 (1993-06-01), Kuang-Wu
patent: 5502896 (1996-04-01), Chen
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patent: 5620454 (1997-04-01), Pierce et al.
patent: 5735005 (1998-04-01), Wang
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patent: 5950311 (1999-09-01), Huang
patent: 5970552 (1999-10-01), Kwiecien et al.
patent: 6000080 (1999-12-01), Anderson et al.
patent: 6044560 (2000-04-01), Chao
patent: 6105190 (2000-08-01), Shiao

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