Elongated-member-driving apparatus – With means to move or guide member into driving position – With means to assure correct orientation of member
Reexamination Certificate
2000-06-28
2001-01-09
Smith, Scott A. (Department: 3721)
Elongated-member-driving apparatus
With means to move or guide member into driving position
With means to assure correct orientation of member
C227S136000
Reexamination Certificate
active
06170730
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a nail engaging device of a power nailer wherein the device can be used for engaging nails connected by wires and nails connected by a plastic plate.
BACKGROUND OF THE INVENTION
A conventional nail engaging device for a power nailer is shown in FIG.
1
and generally includes a pushing member
11
located in the mechanism connected between a barrel of the nailer and a nail magazine. A piston
12
located below the pushing member
11
is able to be moved upward and downward when a trigger is pushed, and a nail reception recess
14
defined in the mechanism wherein nails are received in the nail reception recess
14
. A cover
13
is pivotally connected to the barrel of the nailer and the cover
13
is able to cover the mechanism mentioned above. A pushing plate
10
extends from an inner surface of the cover
10
so that when the cover
13
is covered onto the mechanism, a gap is defined between the pushing plate
10
and a surface defining the nail reception recess
14
just allows a thickness of the nails
15
connected by wires as shown in FIG.
2
A. In other words, the gap cannot receive the nails
16
connected by a plastic plate
17
as shown in FIG.
2
B. If the user want to use the two types of nails, he/she has to prepare two different power nailers.
The present invention intends to provide a nail engaging device for a power nailer and which can be cooperated with the nails connected by a plate and wires.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a nail engaging device of a nailer and comprising a cover connected to the barrel of the nailer and two recesses defined in the cover for receiving a first nail pushing member and a second nail pushing member therein. Two springs respectively urge the first nail pushing member and the second nail pushing member. A protrusion retractably extends from one of the two recesses and is located beside the second nail pushing member. The second nail pushing member is compressed by a plastic plate connecting nails and the nails is supported by the protrusion.
The primary object of the present invention is to provide a nail engaging device for a nailer wherein nails connected by wires and nails connected by a plastic plate can be used in the same nailer.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.
REFERENCES:
patent: 5240161 (1993-08-01), Kaneko
patent: 5332141 (1994-07-01), Mukoyama et al.
patent: 5738266 (1998-04-01), Ogawa
patent: 5772098 (1998-06-01), Crutcher
patent: 6024268 (2000-02-01), Horng-Lin
patent: 6032848 (2000-03-01), Smolinski
Basso Industry Corp.
Baxley Charles E.
Smith Scott A.
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