U.S. patent application number 09/734919 was filed with the patent office on 2001-05-10 for structure for connecting a tool with a grip.
Invention is credited to Chen, Pao-Lu.
Application Number | 20010000833 09/734919 |
Document ID | / |
Family ID | 23330879 |
Filed Date | 2001-05-10 |
United States Patent
Application |
20010000833 |
Kind Code |
A1 |
Chen, Pao-Lu |
May 10, 2001 |
Structure for connecting a tool with a grip
Abstract
A structure for connecting a tool with a grip, including an
insertion rod, an outer sheath and a fastening ring. The insertion
rod is inserted in the outer sheath. One side of the insertion rod
has a projecting block formed with a transverse recess. The outer
sheath is formed with a split in which the projecting block of the
insertion rod is inserted. A periphery of the outer sheath is
formed with an annular groove corresponding to the transverse
recess of the projecting block. The inner circumference of the
fastening ring is formed with an annular rib fitted in the annular
groove. The rib is formed with a dent having a width slightly
larger than the width of the split. When rotating the fastening
ring, the rib is engaged in the transverse recess of the projecting
block to restrict the insertion rod from displacement. When the
dent of the rib is aligned with the transverse recess of the
projecting block, the projecting block can be passed therethrough,
permitting the insertion rod to be extracted out of the outer
sheath.
Inventors: |
Chen, Pao-Lu; (Ta-Li City,
TW) |
Correspondence
Address: |
ROSENBERG, KLEIN & LEE
3458 ELLICOTT CENTER DRIVE-SUITE 101
ELLICOTT CITY
MD
21043
US
|
Family ID: |
23330879 |
Appl. No.: |
09/734919 |
Filed: |
December 13, 2000 |
Related U.S. Patent Documents
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Application
Number |
Filing Date |
Patent Number |
|
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09734919 |
Dec 13, 2000 |
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09339846 |
Jun 25, 1999 |
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Current U.S.
Class: |
30/254 ; 30/329;
30/341 |
Current CPC
Class: |
Y10T 403/7033 20150115;
Y10T 403/7073 20150115; Y10T 403/5761 20150115; A01G 3/0251
20130101; Y10T 403/587 20150115; Y10T 403/7035 20150115; Y10T
403/585 20150115; Y10T 403/583 20150115; Y10T 403/553 20150115 |
Class at
Publication: |
30/254 ; 30/341;
30/329 |
International
Class: |
B26B 013/04 |
Claims
What is claimed is:
1. A structure for connecting a tool with a grip, comprising: an
insertion rod, a top section of the insertion rod being formed with
a socket for inserting a tool therein, a top section of the
insertion rod being formed with a flange, one side of the flange
having a downward extending projecting block, a middle portion of
the projecting block being formed with a transverse recess, a lower
projecting block being formed on lower side of the transverse
recess; an outer sheath, an interior of the outer sheath including
a receptacle for inserting the grip therein, one side of the outer
sheath being formed with a downward extending split in which the
projecting block of the insertion rod is inserted, a periphery of
the outer sheath being formed with an annular groove passing
through the split, the annular groove being such positioned as to
cooperate with the transverse recess of the projecting block
inserted in the split; and a fastening ring fitted on the outer
sheath, an inner circumference of the fastening ring being formed
with an annular rib corresponding to the annular groove and having
a shape complementary to the shape of the annular groove, the rib
being formed with a dent having a width slightly larger than the
width of the split for the lower projecting block of the insertion
rod to pass through the dent.
2. A structure for connecting a tool with a grip as claimed in
claim 1, wherein an outer circumference of the fastening ring is
formed with a projecting section for a user to easily turn the
fastening ring.
3. A structure for connecting a tool with a grip as claimed in
claim 2, wherein the outer sheath is further formed with an
engaging block, whereby when the dent of the fastening ring is
aligned with the split of the outer sheath, the engaging block
serves to stop a side edge of the projecting section and locate the
fastening ring.
Description
CROSS-REFERENCE TO RELATED APPLICATION
1. This application is a Continuation-In-Part application of Ser.
No. 09/339,846, file Jun. 25, 1999, and entitled "CONNECTING
STRUCTURE FOR A TOOL AND A GRIP"
BACKGROUND OF THE INVENTION
2. The present invention is related to a structure for connecting a
tool with a grip. The connecting structure includes an insertion
rod which is easily detachably inserted in and connected with an
outer sheath. In addition, the connecting structure is not subject
to rusting and free from clogging.
3. FIGS. 6 and 7 show a conventional gardening tool. In order to
elongate the length of the gardening tool, save application force
and replaceably connect the tool with the grip 9, a tool stem 91 of
the tool is fitted into a sleeve 92 of the grip 9 to increase the
length of the tool. The sleeve 92 is formed with a dent 93. A
spring 94 and a pushing pin 95 pushed by the spring 94 are disposed
in the dent 93. When the sleeve 92 is inserted into the grip 9, the
pushing pin 95 is inserted and engaged in a fixing hole 96 of the
grip 9. However, the spring 94 is made of iron material and is
subject to rusting. As a result, the rust tends to clog the dent 93
and makes it uneasy to push out or press in the pushing pin 95.
Therefore, it will be difficult to connect the sleeve 92 with the
grip 9 or disconnect the sleeve 92 from the grip 9. Also, it often
takes place that the pushing pin 95 cannot be pushed out by the
spring 94 and the grip 9 is detached from the sleeve 92.
SUMMARY OF THE INVENTION
4. It is therefore a primary object of the present invention to
provide a structure for connecting a tool with a grip. The outer
sheath is formed with a split in which the projecting block of the
insertion rod is inserted. A periphery of the outer sheath is
formed with an annular groove corresponding to the transverse
recess of the projecting block. The inner circumference of the
fastening ring is formed with an annular rib fitted in the annular
groove. The rib is formed with a dent having a width slightly
larger than the width of the split. When rotating the fastening
ring, the rib is engaged in the transverse recess of the projecting
block to restrict the insertion rod from displacement. When the
dent of the rib is aligned with the transverse recess of the
projecting block, the projecting block can be passed therethrough,
permitting the insertion rod to be extracted out of the outer
sheath.
5. The present invention can be best understood through the
following description and accompanying drawings wherein:
BRIEF DESCRIPTION OF THE DRAWINGS
6. FIG. 1 is a perspective assembled view of the present
invention;
7. FIG. 2 is a perspective exploded view of the present
invention;
8. FIG. 3 is a sectional view taken along line A--A of FIG. 1;
9. FIG. 4 is a sectional view taken along line B--B of FIG. 1;
10. FIG. 5 is a view according to FIG. 4, showing that the
fastening ring is rotated;
11. FIG. 6 is a perspective exploded view of a conventional tool
and grip; and
12. FIG. 7 is a sectional assembled view of the conventional tool
and grip.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
13. Please refer to FIGS. 1 to 5. The structure for connecting a
tool with a grip of the present invention includes:
14. an insertion rod 1, a top section 101 of the insertion rod 1
being formed with a socket 11 for inserting a tool 2 therein, the
tool 2 having a connecting section 21 adapted to be inserted into
the socket 11 and connected with the insertion rod 1, the top
section 101 of the insertion rod 1 being formed with a flange 12,
one side of the flange 12 having a downward extending projecting
block 13, a middle portion of the projecting block 13 being formed
with a transverse recess 14, a lower projecting block 15 being
formed on lower side of the transverse recess 14;
15. an outer sheath 3, the interior of the outer sheath 3 including
an upper receptacle 31 and a lower receptacle 32, a grip 4 being
adapted to be inserted into the lower receptacle 32, the insertion
rod 1 being adapted to be inserted into the upper receptacle 31,
one side of the outer sheath 3 being formed with a downward
extending split in which the projecting block 13 of the insertion
rod 1 is inserted, the periphery of the outer sheath 3 being formed
with an annular groove 34 passing through the split 33, the annular
groove 34 being such positioned as to cooperate with the transverse
recess 14 of the projecting block 13 inserted in the split 33;
and
16. a fastening ring 5 fitted on the outer sheath 3, the inner
circumference of the fastening ring 5 being formed with an annular
rib 51 corresponding to the annular groove 34 and having a shape
complementary to the shape of the annular groove 34, the rib 51
being formed with a dent 52 having a width slightly larger than the
width of the split 33 for the lower projecting block 15 of the
insertion rod 1 to pass through the dent 52, the outer
circumference of the fastening ring 5 being formed with a
projecting section 53 for a user to easily turn the fastening ring
5. The outer sheath 3 is further formed with a left and a right
engaging blocks 35, 36. When the dent 52 of the fastening ring 5 is
aligned with the split 33 of the outer sheath 3 and the rib 51 of
the fastening ring 5 entirely blocks the split 33, the left and
right engaging blocks 35, 36 are respectively positioned on the
left and right side edges 531, 532 of the projecting section 53.
The left and right engaging blocks 35, 36 serve to stop the
projecting section 53 and locate the fastening ring 5.
17. Please refer to FIGS. 2 to 5. In use of the present invention,
first the fastening ring 5 is rotated to make the left side edge
531 of the projecting section 53 thereof leant against and stopped
by the left engaging block 35. At this time, the dent 52 of the
fastening ring 5 is aligned with the split 33 of the outer sheath
3. When the insertion rod 1 is inserted into the receptacle 31, the
projecting block 13 of the insertion rod 1 is aligned with the
split 33 of the outer sheath 3 and then the fastening ring 5 is
rotated to make the right side edge 532 of the projecting section
53 thereof leant against and stopped by the right engaging block
36. At this time, the rib 51 of the fastening ring 5 is engaged in
the split 33 of the outer sheath 3 and the transverse recess 14 of
the insertion rod 1 to stop the lower projecting block 15 and
restrict the insertion rod 1 from displacement. Therefore, the tool
2 is connected with the outer sheath 3. When taking off the
insertion rod 1, the user only needs to rotate the fastening ring 5
to make the left side edge 531 of the projecting section 53 thereof
leant against and stopped by the left engaging block 35. At this
time, the dent 52 is aligned with the split 33 and the lower
projecting block 15 is free from stop, permitting the insertion rod
1 to be extracted out of the outer sheath 3.
18. The insertion rod 1, outer sheath 3 and fastening ring 5 are
all made of plastic material which is not subject to rusting and
free from clogging. Therefore, the tool 2 can be more conveniently
and easily connected with the grip 4.
19. In conclusion, the outer sheath 3 is formed with a split 33 for
the projecting block 13 of the insertion rod 1 to insert therein.
Also, the outer sheath 3 is formed with an annular groove 34
corresponding to the transverse recess 14 of the projecting block
13. The annular rib 51 of the inner circumference of the fastening
ring 5 is fitted in the annular groove 34. The rib 51 is formed
with a dent 52 having a width slightly larger than the width of the
split 33. When rotating the fastening ring 5, the rib 51 is engaged
in the transverse recess 14 of the projecting block 13 to stop the
lower projecting block 15 and restrict the insertion rod 1 from
displacement. When the dent 52 is aligned with the transverse
recess 14 of the projecting block 13, the lower projecting block 15
can be passed therethrough, permitting the insertion rod 1 to be
extracted out of the outer sheath 3. Therefore, the insertion rod 1
is easily detachably connected with the outer sheath 3.
20. The above embodiment is only used to illustrate the present
invention, not intended to limit the scope thereof. Many
modifications of the above embodiment can be made without departing
from the spirit of the present invention.
* * * * *