BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an offset pen structure and, particularly, to an offset pen structure for rapid assembling.
2. Description of the Prior Art
There are numerous classes of conventional offset pen structures, such as the offset pen of U.S. Pat. No. 6,250,828 (herein incorporated by reference in its entirety) owned by the inventor of this application. Such an offset pen is mainly characterized in that the way different parts of a pen is connected such that the offset pen has the holding portion and the writing portion thereof at different axes, for writing in a way more conforming to ergonomics.
However, the required structure causes the manufacturing of such offset pens to be relatively difficult and inconvenient, thus increases manufacturing cost so as to prevent popularization of the product. The main problems are:
1. The offset pen has the holding portion and the writing portion disposed at different axes, thus making it difficult to design a mold for it and, in turn making the shape of the product drab and unattractive to the consumers.
2. Similarly, a holding portion too drab may result in a design that is uncomfortable to hold and, thus, cannot bring the functions of the offset pen into play.
3. It is difficult to load refills or fillings for conventional offset pens. Such offset pens generally are made by first having soft refills placed into the holding portion from the rear end, then pressure is applied to the refills against the holding portion to deform the refills naturally. In addition to such difficult mounting process, maintaining the quality of the offset pen is also a problem.
4. It is not easy to replace the refills after the ink of the conventional offset pens is exhausted. Then the whole pen ceases to be effective, leading to a waste of resources.
It is thus shown that the conventional offset pens have such drawbacks and lacking in good design, such that an improvement is required.
In view of the above difficulties associated with the conventional offset pens, the present inventor, through long-term study and practice, has set about the work of improvement and innovation that provides an offset pen structure for rapid assembling.
SUMMARY OF THE INVENTION
The primary objective of this invention is to provide an offset pen structure for rapid assembling, wherein the offset pen is divided into several components or subparts as required, the components being shaped with simple design and can be easily produced so as to decrease manufacturing cost.
Another objective of this invention is to provide an offset pen structure for rapid assembling, wherein the components are easy to disassemble and assemble so as to have convenient maintenance and replacement, improving usability of the product and reduce wasting of resources.
A further objective of this invention is to provide an offset pen structure for rapid assembling that, by a clever design, requires adjusting a small number of components only to have the useful functions of various recording devices provided by a single holding portion.
Yet a further objective of this invention is to provide an offset pen structure for rapid assembling that has each individual component with enhanced shaping design so as to provide a overall beautiful appearance and unparalleled style to the pen as a whole.
In an offset pen structure for rapid assembling that fulfills the above objectives, a holding portion is disposed, and an offset portion extends from the side at the front part of the holding portion, and a writing device base is disposed at the end of the offset portion, wherein the offset portion together with the holding portion has a hollow passage formed therein such that the hollow passage has an opening formed at the front end of the offset portion; the opening being used for mounting a recording device and covered by a lid; the writing device base is disposed at the front end of the lid, to fix the front end of the recording device for writing; a fixing portion is disposed at the rear end of the lid, the fixing portion being fixed at the end of the offset portion to fix and position the writing device base on the holding portion; the fixing portion has a trough disposed on the edge thereof, for lodging and fixing a case surface of the offset portion; the fixing portion has a thread disposed on the inner side thereof and the writing device base has a thread disposed at the rear end thereof, so that the writing device base may wear the lid and then be screwed at the fixing portion; and further a cap is disposed on the writing device base to form a protection, with a clip disposed on the side thereof. The clip can be used when the pen is inserted into a pocket of a user for attachment to the pocket. The clip is shaped in an angle to correlate with the shape and angle of the offset pen.
BRIEF DESCRIPTION OF THE DRAWINGS
The drawings disclose an illustrative embodiment of the present invention, which serves to exemplify the various advantages and objects hereof, and are as follows:
FIG. 1 is a diagram of an embodiment of the offset pen structure for rapid assembling of the present invention;
FIG. 1A is a cross-sectional view of the invention along section 1A-1A of FIG. 1;
FIG. 1B is a structurally exploded broken away view of the writing device base of the present invention;
FIG. 1C is a structurally composite broken away view of the writing device base of the present invention;
FIG. 2 is an exploded solid top view of another embodiment of the offset pen structure for rapid assembling of the present invention;
FIG. 3 is a structurally exploded view for FIG. 2;
FIG. 3A is a cross-sectional view of the invention along section 3A-3A of FIG. 3;
FIG. 3B is a structurally exploded broken away view of the writing device of FIG. 2
FIG. 3C is a structurally composite broken away view of the writing device of FIG. 2;
FIG. 3D is a structurally exploded view of the cap in FIG. 2;
FIG. 3E is a diagram of the disposed angle of the thread in FIG. 2;
FIG. 4 is a top view view of the present invention;
FIG. 5 is a top view of an embodiment of the present invention having an additional sleeve;
FIG. 6 is a top view of the pencil in an embodiment of the offset pen structure for rapid assembling of the present invention;
FIG. 6A is a cross-sectional view of the invention along section 6A-6A of FIG. 6;
FIG. 6B is a structurally composite broken away view of the writing device base of the pencil in an embodiment of the present invention shown in FIG. 6;
FIG. 7A is a top view of the solid recording device of the present invention;
FIG. 7B is a top view of the dipping recording device of the present invention;
FIG. 7C is a top view of the recording device as a sharp metal object;
FIG. 7D is a top view of the recording device as a burin.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Refer to FIG. 1 to 1C, which is the offset pen structure for rapid assembling provided by the present invention, the offset pen structure for rapid assembling mainly comprises a holding portion 1, a writing device base 3, and an offset portion 2, wherein the holding portion 1 is used for holding and operating by the user with a hand; the writing device base 3 has recording devices 9a, 9b (described below) disposed therein for writing; the offset portion 2 is connected between the front end of the holding portion 1 and the rear end of the writing device base 3 so as to make the writing device base 3 and the holding portion 1 disposed respectively at different axes. The offset portion 2 described above has a fixing portion 4 disposed at the front end thereof, for positioning the writing device base 3 by means of screwing, wearing, locking, or the like. The present invention is mainly characterized in that the writing device base 3 has a thread 31 disposed at the tail thereof so as to be screwed and fixed on the fixing portion 4 by the thread 31. The holding portion 1 and the offset portion 2 described above has a hollow passage 5 (refer to FIG. 6B) formed and penetrating therein, the hollow passage 5 forming an opening 51 at the front end of the offset portion 2, for mounting the recording devices 9a, 9b via the opening 51 as well as for facilitating molding and manufacturing. An optional lid 6, if desired, may be disposed to cover the opening 51, and the writing device base 3 wears the lid to be fixed on the offset portion 2. Moreover, the holding portion is made to be two-sectioned, such that the sections 11, 12 thereof each have a draft angle that is easy to finish and manufacture; if desired, soft recording devices may be adopted, being placed into the hollow passage 5 via a sectioned point 13 to accomplish the assembly, or other devices may be accommodated in the hollow passage 5. Furthermore, the writing device base 3 has a cap 7 disposed thereon to form a protection, the cap 7 having a clip 71 disposed on the side thereof, the clip being used to be inserted into a pocket and secure to the pocket of the user for convenient carrying, and the clip 71 being turned and bent according and correlate to the shape of the offset pen to make a more beautiful appearance for the offset pen as a whole; the clip 71 can be separately manufactured with respect to the cap 7, and then put onto the cap 7 to form as one piece.
Refer to FIGS. 2 to 4. The offset portion 2 may have the fixing portion 4 one-piece molded and, also, may have the fixing portion 4 molded separately to make the assembly units each having a simplistic design. The fixing portion 4 has a trough 41 formed at the edge of one end thereof, and the offset portion 2 has a thinned case surface 21 formed at the front end thereof to be lodged and fixed in the trough 41. The fixing portion 4 has a thread 42 disposed on the inner side thereof so that the writing device base 3 may wear the lid 6 to be screwed in the fixing portion 4 by the thread 31. Since the thread 42 is disposed on the fixing portion 4 and not on the holding portion 1 as designed, such design would not increase difficulty in manufacturing of the holding portion 1. Moreover, as shown in FIG. 3E, the fixing portion 4 shows a U-shape, having the thread 42 disposed on the inner side thereof with a desired disposed angle θ larger than 180° so as to prevent the writing device base 3 from falling from the U-shape opening. Furthermore, the opening 51 may be used for mounting the ink-reservoir type recording device 9a, the ink-reservoir type recording device 9a having one end shaped to be turned and bent corresponding to the shape of the offset pen, with the front end thereof fixed at the writing device base 3, and can be placed into the hollow passage 5 of the holding portion 1 via the opening 51, and then can be screwed and fixed at the writing device base 3. The opening 51 may then be covered by the lid 6.
By the design described above, the offset pen are made up of subparts of simplistic design, and may be disassembled. The simplistically shaped design allows the holding portion 1, writing device base 3, and the cap 7, to be more conveniently finished and assembled. Each subparts is can be replaced with a replacement component, or it may be replace with component having a different aesthetic design or shape.
Refer to FIG. 5, which shows that the holding portion 1 may have a polygonal holding sleeve 8 disposed at a position thereof corresponding to hand of the user, for positioning the hand and reducing the fatigue of the fingers, and to prevent associated injuries.
Refer to FIG. 6 to 6B. A design of the pencil type recording device 9b is described with a fixing pin 32 disposed on the writing device base 3, wherein the fixing pin 32 secures the positions of the pencil type recording device 9b and, also, keeps the pencil lead 91b from being drawn back into the pencil type recording device 9b, so that one may comfortably apply force when writing; spare pencil type recording devices 9b may be placed into the hollow passage 5 via the sectioned point 13. Alternatively, the hollow passage 5 of the holding portion 1 may have an accommodating pipe 14 mounted therein for accommodating multiple sectioned recording devices 9b. And, the hollow passage 5 of the offset portion 2 may have a corresponding guiding pipe 52 mounted therein for sticking and fixing the accommodating pipe 14 at the tail of the guiding pipe 52, so that replacement of the pencil type recording device 9b may be performed at the section 12 at the rear end of the holding portion 1 while the pencil type recording device 9b in the front end of the pen may fall out of the offset portion 2 via the opening 51 at the front end of the hollow passage 5. As a result, the pencil type recording device 9b is positioned and pinned within the fixing pin 32 ready for use.
Refer to FIG. 7A to 7B, which show that the present invention may adopt various types of recording devices. Regarding the shape, the present invention may adopt a bar-shaped recording device such as the recording device 9a described above, or adopt a sectioned recording device such as the recording device 9b described above. Regarding the function, the present invention may adopt a recording device containing ink such as the recording device 9a described above, or adopt a refill having a ballpoint and an oil-based ink reservoir, a refill having a ballpoint and a neutral ink reservoir, a refill having a ballpoint and a water-based ink reservoir, a refill having a ballpoint and an erasable neutral ink reservoir, or a refill having a ballpoint and an erasable oil-based ink reservoir; the present invention may also adopt a solid recording device for marking, such as the recording device 9a described above, or adopt the recording device 9c as shown in FIG. 7A, e.g., a pencil lead, a crayon stick, or a oil pastel chalk; the present invention may also adopt the recording device 9d for dipping ink or color powder as shown in FIG. 7B, e.g., a fibrous refill, a fibrous hair, and an animal hair. The present invention may even adopt the recording device 9e, 9f for performing destructive recording by pressing or carving as shown in FIGS. 7C and D, e.g., a sharp metal object, or a burin. Of course, other known recording, writing, or erasing devices not mentioned here may be obvious and can be used.
Many changes and modifications in the above-described embodiment of the invention can, of course, be carried out without departing from the scope thereof. Accordingly, to promote the progress in science and the useful arts, the invention is disclosed and is limited only by the scope of the appended claims.
Patent Grant
7665921
