Magnetic driving tool having a telescopic pipe

Details Magnetic driving tool having a telescopic pipe Magnetic driving tool having a telescopic pipe

1999-03-01

2001-11-27

Smith, James G. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C007S168000, C294S065500

Reexamination Certificate

active

06321626

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a driving tool, and more particularly to a socket wrench having a telescopic pipe.
2. Description of the Prior Art
Typical driving tools, such as wrenches or screw drivers, comprise a driving stem having an engaging hole formed in one end for engaging with a tool bit or for engaging with a fastener and for driving the same. Two typical driving tools are disclosed in UK patent no. 718,990 to Ulfving, and in U.S. Pat. No. 4,448,097 to Rocca. The typical driving tools comprise a driving stem having either of two ends adapted to be engaged in an outer sleeve and adapted to be driven by the outer sleeve. The ends of the driving stem may be used for engaging with and for driving tool bits and/or fasteners. However, the driving tools may not be used for fetching the fasteners dropped in a deep hole such that an additional tool is required for fetching the fasteners. U.S. Pat. No. 5,487,576 discloses a tool having an extendible member. However, the tool also may not be used for fetching the fasteners dropped in a deep hole and may not be used as a driving tool.
The present invention has arisen to mitigate and/or obviate the afore-described disadvantages of the conventional magnetic socket wrenches.
SUMMARY OF THE INVENTION
The primary objective of the present invention is to provide a magnetic driving tool having a telescopic pipe for fetching the fasteners engaged in a deep hole.
In accordance with one aspect of the invention, there is provided a driving tool comprising a barrel including a bore and including a first end and including a second end having an engaging opening for engaging with a tool bit and a fastener, a handle secured to the first end of the barrel for rotating the barrel, a telescopic pipe engaged in the bore of the barrel and including a first end secured to the handle and including a second end adapted to be extended outward of the bore of the barrel, and a magnetic member secured to the second end of the telescopic pipe for allowing the magnetic member to be extended outward of the bore of the barrel. The barrel may be used for driving tool bits and/or fasteners and the telescopic pipe may be used for fetching the fasteners that are engaged in the deep hole of an object.
Further objectives and advantages of the present invention will become apparent from a careful reading of a detailed description provided hereinbelow, with appropriate reference to accompanying drawings.


REFERENCES:
patent: 4448097 (1984-05-01), Rocca
patent: 5487576 (1996-01-01), DuVivier
patent: 718990 (1952-06-01), None
Handy Twins International Co., LTD, Invoice No. HT-96/0606(A) dated Jun. 6, 1996.
Handy Twins International Co., LTD Invoice No. 004675-IN dated Jun. 18, 1996.
Handy Twins International Co., LTD Invoice No. 0004674-IN dated Jun. 18, 1996.
Product Packaging for 8 in 1 Screwdriver and Telescoping Magnetic Pick-Up Tool by FineLine.(3 pages).
Photograph of Screwdriver Tool, Fineline (2 pages).
Advance Auto Parts Invoice No. 4674-IN Dated Jul. 10, 1996.
Advance Auto Parts Invoice No. 4761-IN Dated Aug. 2, 1996.
Advance Auto Parts Invoice No. 4762-IN Dated Aug. 5, 1996.
Advance Auto Parts Invoice No. 5269-IN Dated Sep. 23, 1996.

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