Correction tape roll device

Details Correction tape roll device Correction tape roll device

2001-09-27

2003-09-23

Crispino, Richard (Department: 1734)

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

C156S579000, C118S076000, C118S257000, C242S160400, C242S171000, C242S588600

Reexamination Certificate

active

06622768

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a correction tape roll device and more particularly to a correction tape roll device which is able to correct an erroneous description by covering it with correction paste in dry form fallen off a coated tape through a pressing operation.
BACKGROUND OF THE INVENTION
Generally a correction tape roll device includes a case in a certain form with openings, at least a pair of rolls provided rotatably within the case, a coated tape wound around one of the rolls and a tape guide projecting outward through an opening for guiding the movement of the coated tape and for allowing the coated tape to be pressed on paper as required.
A conventional correction tape roll device is described by referring to
FIG. 1
which shows the exploded perspective view of one example of a conventional correction tape roll device.
As seen in
FIG. 1
, the correction tape roll device
100
is equipped with a case
110
, which is formed, at the front and rear ends, with openings
111
and
112
respectively. Further, the case
110
is formed with an engaging hole
113
at a position on the top side and formed with an observation hole
114
on one side surface so as to allow the examination of the used amount for the coated tape. Further, a clip
115
is also provided on a rear side surface to be fastened to a pocket or the like if required. The case
110
so constructed is intended to retain the coated tape
120
and various other accessaries within it in a protective manner and also to be easily dismantled when required.
The main body
130
shown below the case
110
in
FIG. 1
is provided with a tape guide
131
to guide the movement of a coated tape
120
. The tape guide
131
projecting lengthily forward is inserted in the case from the rear opening
112
to be protruded to the outside through the front opening
111
at the time of assembling. The tape guide
131
can also function to help the coated tape
120
to be pressed during a correction work. As such a tape guide
131
, a quality material with excellent elasticity should be used. A jacket
132
is shown in front of the tape guide
131
. This jacket
132
has an opening
133
through which the tape guide
131
can extend and also functions to prevent the coated tape
120
from straying aside by contacting the tape guide
131
. The tape guide
131
is formed with a roll mounting section
134
at its rear end. An elastic arm
135
is provided at a site around the circumference of the roll mounting section substantially in circular form. The elastic arm
135
is designed to detachably mount the main body
130
on the case
110
and provided with an engagement jaw
136
to secure the main body
130
by engaging with the engagement hole
113
.
On the opposite sides of the main body
130
or the roll mounting section
134
to be more exact, the first and second rolls
140
and
150
are provided rotatably. As shown in the drawing, the first roll
140
is formed, on its one side, with the first gear
160
which has the first~shaft
162
for mounting the first roll
140
. This first roll
140
is the part on which unused coated tape
120
is wound. In addition, the roll mounting section
134
is provided with the second shaft
172
on which the second roll
150
is fitted in rotatable manner on the opposite of the roll mounting section
134
, wherein the second gear
170
is coupled to the other end of the second shaft
172
. The second roll
150
is used to wind a blank tape
122
after correction service.
In other words, after the first shaft
162
is mounted with the first gear and first roll
160
and
140
, and the second shaft
172
is mounted with the second gear and second roll
170
and
150
, the coated tape
120
is placed on the end of the tape guide
131
, the jacket
132
is fitted thereon and then the pre-assembly is inserted in the case
110
under the state of the elastic arm
135
of the main body
130
slightly pressed, so that the engagement jaw
136
may be, engaged with the engagement hole
113
in the case
100
to complete the assembly. In this state, the tip end of the tape guide
131
is protruded through the front opening
111
and thus the correction tape device
100
is ready for use. In the case of no use, the front tip
111
can be pulled forward as shown in two-dot-chain line in
FIG. 1
to protect the coated tape
120
against the environmental interference.
The disadvantage with the conventional correction tape roll device is that the need for securing enough lateral distance between the first shaft
162
and second shaft
172
results in relative large body
130
and case
110
. In addition, there is another disadvantage that the correction work is possible only in one direction.
SUMMARY OF THE INVENTION
The object of the invention is to provide a correction tape roll device wherein securing the lateral distance between shafts for at least a pair of rolls is unnecessary, so that the spatial availability can be increased and thus the size of the device can be reduced.
The above object is achieved according to an aspect of the invention by a correction tape roll device with a first and second rolls for winding a tape therearound, comprising: a case of a particular shape open at least one side through an opening having a predetermined size; a main body including a tape guide protruding from said opening, the tape guide being formed, at one side, integrally with a roll mounting section, the tape guide being bent to form a stepped section between the tape guide and the roll mounting section, said stepped section being formed with a through-opening; a first gear formed rotatably at one side of the roll mounting section, the first gear being connected to the first roll; a second gear formed rotatably at the other side of the roll mounting section, the second gear being connected to the second roll; and a power transmitting gear unit consisting of an upper and lower stage gears to transmit the rotation of said first gear to said second gear for causing the rotation of the second gear, the lower stage gear being engaged with the first gear and the upper stage gear being engaged with the second gear through said through-opening in said main body.
Preferably, said first and second gears are arranged coaxial to each other on opposite lateral sides of the roll mounting section.


REFERENCES:
patent: 4259880 (1981-04-01), Ueno
patent: 5490898 (1996-02-01), Koyama
patent: 5792263 (1998-08-01), Koyama et al.
patent: 5942036 (1999-08-01), You
patent: 6394235 (2002-05-01), Poertzgen et al.
patent: 11070785 (1999-03-01), None

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