Bookbinding: process and apparatus – Apparatus – Edge binding apparatus
Reexamination Certificate
2000-09-08
2003-12-16
Carter, Monica (Department: 3722)
Bookbinding: process and apparatus
Apparatus
Edge binding apparatus
C281S029000, C402S004000, C402S057000, C402S073000, C412S009000, C412S015000, C412S042000
Reexamination Certificate
active
06663331
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a ring opening and closing bar to open and close easily a curl ring of a ring binder for binding papers and the like and a binding apparatus consisting of the ring binder, the opening and closing bar and the auxiliary devices for setting and positioning papers.
2. Related Art
Conventionally, when binding a given size of plastic plates, papers
1
, such as shown in
FIG. 43
, standard size of A
4
or B
5
(standard papers), a ring binder
3
having a curl ring
2
has been used. The ring binder
3
, as shown in
FIG. 44
, is constituted from a longitudinal base portion
3
A formed semi-circular in section perpendicular to the longitudinal direction of the base portion
3
A and a plurality of ring pieces
2
a
which are extended from one side of the base portion
3
A and curved circularly along the semi-circular base portion
3
A to contact and overlap the other side of the base portion
3
A. The tip ends of these ring pieces
2
a
are formed tapered.
When binding the papers
1
by the ring binder
3
, the curl ring
2
is opened using a paper binding apparatus
4
and holes
5
of the papers
1
are fitted by the curl ring
2
.
An explanation of a conventional curl ring
2
of a ring binder
3
will be carried out by showing how to open the curl ring. As shown in
FIG. 44
, on a putting portion
6
for papers
1
and the like, a binder setting portion
7
for setting a ring binder
3
is provided. Raised pawls
9
are provided at a regular spacing apart from and in parallel with a wall face
8
is extended laterally at an intermediate portion of each raised pawl
9
.
Further, under the raised pawls
9
a movable plate
11
able to be displaced horizontally is provided and on the end of the movable plate, reversely L-letter shaped pawls
1
are raised at a regular spacing. The pawls
12
are arranged in such a manner as those are overlapped with the projection
10
horizontally.
Above the setting portion
6
a paper holding portion
3
for holding the papers
1
and the like is provided turnably outside. This paper holding portion
13
is functionally in association with the movable plate
11
, and when the paper holding potion
13
is closed inside, the movable plate
11
is pushed out, and it is retracted when the paper holding portion
13
is opened outside. That is, by a movement of the movable plate
11
in a A direction, the raised pawls
9
and the reversely L-letter shaped pawls
12
are adapted to come close and be separated.
In
FIG. 44
, a sigh
14
represents a cover covering above the binder setting portion
7
.
Further, a sign
15
represents a guide plate with a positioning step
16
for being used when punching a hole
5
in the papers
1
by the paper binding apparatus
4
. The guide plate
15
is mounted rotatably on the putting portion
6
. In addition, on opposing faces of the putting portion
6
and the paper holding portion
13
, magnets
17
for clamping the positioned papers
1
are provided.
And, when binding the papers
1
, the cover
14
and the paper holding portion
13
are opened and the raised pawls
9
and the reversely L-shaped pawls
12
are adjusted, the base portion
3
A of the ring binder
3
is disposed in a binder setting portion
7
, that is between the wall face
8
and the raised pawls
9
and the curl ring
2
is disposed in such manner as the curl ring
2
is located between adjacent raised pawls
9
.
Further, the ring binder
3
is displaced laterally in such a manner as the projections
10
and the reversely L-shaped pawls
12
are inserted in the curl ring
2
and the paper holding portion
13
is closed inside, thereby the movable plate
11
is pushed out, as shown in
FIG. 45
, the reversely shaped pawls
12
are pushed out forward. Whereas, the pawls
2
a
of the curl ring
2
are removed from the other end of the base portion
3
A. In that state, the holes
5
of the papers
1
are coincided with the positions of the pawls
2
a
of the curl ring
2
, that is, enabling to be inserted, the paper holding portion
13
is returned, that is, opened, the pawls
12
are retracted with the movable plate
11
and the curl ring
2
is closed to finish the binding of the papers
1
.
For reference, if the holes
5
are not punched in the papers
1
, as shown in
FIG. 46
, with the above paper binding apparatus
4
or a punch
18
the holes
5
can be punched. In this case, as shown in
FIG. 44
, the paper holding portion
13
is raised and the papers
1
are put on the above the putting portion to abut the ends of the papers
1
against the positioning step
16
of the guide plate
15
, then the paper holding portion
13
is closed as shown in FIG.
46
. At that time the magnets
17
clamps the papers
1
magnetically to prevent the papers
1
from moving. Subsequently, the guide plate
15
is turned reversely toward a back side of the putting portion
6
for avoiding the punch
18
from touching the guide plate
15
and while abutting a projection
20
provided on the center of the punch
18
against a concave portion
19
provided on the center of the paper holding portion
13
the papers
1
are punched in turn.
In a conventional binding-apparatus
4
, since the base portion
3
A of a ring binder
3
is adjusted to the raised pawls
9
provided on a binder putting portion
7
, the curl rings
2
are adjusted on the reverse L-letter pawls
12
provided on the movable plate
11
and the ring pieces are made to be opened and closed by opening and closing the paper holding portion
13
together with the to and fro moving of the movable plate
11
, a structure for opening the ring binder
3
is complicated to invite a higher cost. Further, when opening the curl rings, while displacing the ring binder
3
laterally in such a manner as the reverse L-letter pawls
12
and the projections
10
are adjusted and in that state the paper holding portion
13
has to be closed, so that the operation becomes complicated. As mentioned above, in order to open the curl rings
2
of the ring binder
3
, a large scaled devices have been necessitated, so that a more efficiently-operational and simple opener for curl rings has been requested to be developed.
The present invention has been made in the light of such circumstances, a purpose thereof is to provide a ring opening/closing tool and a binding apparatus avoiding a complicated operation and pursuing a low cost.
As a solving means of the above problem, a first aspect of the present invention is characterized in an rectangular opening/closing bar is formed for being inserted in the curl ring and a introduction portion is provided on the tip of the opening/closing bar for guiding the bar in the curl ring.
According to the first aspect of the present invention, a rectangular opening/closing bar is formed, and on a tip end portion of the opening/closing bar an introduction portion is formed and when this opening/closing bar is inserted in a curl ring and a base portion of the ring binder, ring pieces are pushed up in turn by the introduction portion to be opened. Thus, when the curl rings are opened, ends of a plurality of papers overlapped is abutted against a side face of the opening/closing bar at the hole side and the holes of the papers and the ring pieces are corresponded each other, then the opening/closing bar is pulled out to cause the ring pieces to be fitted resiliently in the holes of the papers to finish binding.
Further, where the ring binder binding papers is to be removed to separate the papers and the ring binder, the papers are made to be located at the ring piece side of the ring binder, at that state, the opening/closing bar is made to be inserted in the ring binder.
In an invention described in a second aspect, in the first aspect, swollen portions are provided on both side ends of the opening/closing bar so as to be slid in the cur ring and base portion. According to the second aspect of the present invention, on both side ends of the opening/closing bar, swollen portions are provided respectively, an
Horita Miki
Mori Makoto
Tokita Yasuhiro
Carl Manufacturing Co., Ltd.
Carter Monica
LandOfFree
Ring opening and closing bar and binding apparatus using the... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Ring opening and closing bar and binding apparatus using the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Ring opening and closing bar and binding apparatus using the... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3163000