Information
-
Patent Grant
-
6742788
-
Patent Number
6,742,788
-
Date Filed
Tuesday, September 17, 200222 years ago
-
Date Issued
Tuesday, June 1, 200420 years ago
-
Inventors
-
Original Assignees
-
Examiners
- Johnson; Brian L.
- Restifo; Jeffrey
-
CPC
-
US Classifications
Field of Search
US
- 280 11221
- 280 11231
- 280 1127
- 280 1128
- 280 113
- 280 1131
- 280 1133
- 280 623
- 280 625
- 280 1112
- 280 713
-
International Classifications
-
Abstract
A replaceable skate assembly includes a boot, a base mounted on a bottom of the boot, and a locking device mounted in the base. The locking device includes a positioning rod, a locking pawl, and a spring. Thus, the base may be assembled on and detached from the bottom of the boot quickly, easily and conveniently, thereby facilitating the user using the replaceable skate assembly. In addition, the bottom of the boot is integrally formed with the boot, without having to additionally provide an aluminum alloy structure on the bottom of the boot, thereby simplifying the procedure of fabrication, and thereby decreasing the cost of fabrication.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to a replaceable skate assembly, and more particularly to a replaceable skate assembly, wherein the base may be assembled on and detached from the bottom of the boot quickly, easily and conveniently, thereby facilitating the user using the replaceable skate assembly.
2. Description of the Related Art
A conventional replaceable skate assembly
5
in accordance with the prior art shown in
FIG. 6
comprises a boot
51
, and a base
52
mounted on the bottom of the boot
51
. The bottom of the boot
51
is provided with an aluminum alloy structure which is formed with two recesses
511
each protruded with an insertion tenon
512
which has a side face formed with an insertion hole
513
. The base
52
is provided with two mounting seats
521
each mounted in one of the two recesses
511
of the boot
51
. Each of the two mounting seats
521
is provided with a receiving chamber
522
for receiving the insertion tenon
512
. The receiving chamber
522
has a side face formed with a through hole
5220
aligning with the insertion hole
513
of the insertion tenon
512
. Each of the two mounting seats
521
is also provided with a catch plate
523
formed with a through hole
5230
. Each of the two mounting seats
521
is also provided with a safety pin
524
, a spring
525
and a bent bar
526
mounted between the receiving chamber
522
and the catch plate
523
.
In operation, the user may operate the bent bar
526
to move the safety pin
524
, so that the safety pin
524
may be inserted into and detached from the insertion hole
513
of the insertion tenon
512
of the boot
51
by the elastic action of the spring
525
. Thus, the base
52
may be mounted on or detached from the bottom of the boot
51
according to the user's requirements.
However, when the base
52
is mounted on the bottom of the boot
51
, the safety pin
524
cannot align with the insertion hole
513
of the insertion tenon
512
of the boot
51
easily, so that the base
52
cannot be mounted on the bottom of the boot
51
easily and conveniently. In addition, it is necessary to additionally provide an aluminum alloy structure on the bottom of the boot
51
, thereby complicating the procedure of fabrication, and thereby increasing the cost of fabrication.
SUMMARY OF THE INVENTION
The present invention has arisen to mitigate and/or obviate the disadvantage of the conventional replaceable skate assembly.
The primary objective of the present invention is to provide a replaceable skate assembly, wherein the base may be assembled on and detached from the bottom of the boot quickly, easily and conveniently, thereby facilitating the user using the replaceable skate assembly.
Another objective of the present invention is to provide a replaceable skate assembly, wherein the bottom of the boot is integrally formed with the boot, without having to additionally provide an aluminum alloy structure on the bottom of the boot, thereby simplifying the procedure of fabrication, and thereby decreasing the cost of fabrication.
In accordance with the present invention, there is provided a replaceable skate assembly, comprising a boot, a base mounted on a bottom of the boot, and a locking device mounted in the base, wherein:
the bottom of the boot has a first end formed with a locking recess and a second end formed with a connecting recess, the connecting recess of the boot has a side formed with a locking cavity;
the base has a first end provided with a first mounting seat and a second end provided with a second mounting seat, the first mounting seat of the base has a top provided with a locking block that may be locked in the locking recess of the boot, the second mounting seat of the base has a top provided with a mounting block that may be received in the connecting recess of the boot, the mounting block of the second mounting seat of the base has an inside formed with a closed receiving space which has a side formed with a square hole and a bottom formed with a through hole, the second mounting seat of the base has a bottom provided with a first positioning plate formed with a through hole and a second positioning plate formed with a through hole; and
the locking device includes a positioning rod, a locking pawl, and a spring, wherein:
the locking pawl is movably mounted in the receiving space of the mounting block of the second mounting seat of the base, and has a top end provided with a wedge-shaped catch block received in and protruded outward from the square hole of the receiving space of the mounting block of the second mounting seat of the base; and
the positioning rod is in turn extended through the through hole of the first positioning plate of the second mounting seat of the base, the locking pawl, the spring, the through hole of the second positioning plate of the second mounting seat of the base, and is protruded outward from the base.
Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
is an exploded perspective view of a replaceable skate assembly in accordance with a preferred embodiment of the present invention;
FIG. 2
is a partially side plan cross-sectional assembly view of the replaceable skate assembly as shown in
FIG. 1
;
FIG. 3
is a schematic operational view of the replaceable skate assembly as shown in
FIG. 2
in assembly;
FIG. 4
is a side plan assembly view of the replaceable skate assembly as shown in
FIG. 1
;
FIG. 5
is a side plan assembly view of the replaceable skate assembly in accordance with another embodiment of the present invention; and
FIG. 6
is an exploded perspective view of a conventional replaceable skate assembly in accordance with the prior art.
DETAILED DESCRIPTION OF THE INVENTION
Referring to the drawings and initially to
FIGS. 1 and 2
, a replaceable skate assembly
1
in accordance with a preferred embodiment of the present invention comprises a boot
10
, a base
20
mounted on the bottom of the boot
10
, and a locking device
30
mounted in the base
20
.
The bottom of the boot
10
is integrally formed with the boot
10
. The bottom of the boot
10
has a first end formed with a locking recess
11
and a second end formed with a connecting recess
12
. The connecting recess
12
of the boot
10
has a side formed with a locking cavity
121
.
The base
20
is available for a skate, such as an ice skate, a roller skate, an in-line roller skate or the like. The base
20
may be directly mounted on the bottom of the boot
10
. The base
20
has a first end provided with a first mounting seat
21
and a second end provided with a second mounting seat
22
. The first mounting seat
21
of the base
20
has a top provided with a locking block
211
that may be locked in the locking recess
11
of the boot
10
.
The second mounting seat
22
of the base
20
has a top provided with a mounting block
221
that may be received in the connecting recess
12
of the boot
10
. The mounting block
221
of the second mounting seat
22
of the base
20
has an inside formed with a closed receiving space
222
which has a side formed with a square hole
223
and a bottom formed with a through hole
224
. The second mounting seat
22
of the base
20
has a bottom provided with a first positioning plate
23
formed with a through hole
231
and a second positioning plate
24
formed with a through hole
241
. The through hole
224
of the receiving space
222
of the mounting block
221
of the second mounting seat
22
of the base
20
is located between the first positioning plate
23
and the second positioning plate
24
of the second mounting seat
22
of the base
20
.
The second end of the base
20
is formed with a circular hole
25
aligning with the through hole
241
of the second positioning plate
24
of the second mounting seat
22
of the base
20
. The second mounting seat
22
of the base
20
has a first side formed with a through hole
26
for passage of a bolt
28
and a screw
281
, and a second side formed with a through hole
27
for passage of a bolt
29
and a screw
291
.
The locking device
30
is mounted between the first positioning plate
23
and the second positioning plate
24
of the second mounting seat
22
of the base
20
, and includes a positioning rod
31
, a C-shaped snap ring
32
, an inverted L-shaped locking pawl
33
, a spring
34
, and a screw
35
. The positioning rod
31
has a first end formed with an annular groove
311
and a second end formed with a screw bore
312
. The locking pawl
33
has a top end provided with a wedge-shaped catch block
331
extended outward, and has a lower portion formed with a through hole
332
. The spring
34
is mounted on the positioning rod
31
, and is urged between the first positioning plate
23
and the second positioning plate
24
of the second mounting seat
22
of the base
20
.
In assembly, the locking pawl
33
is extended through the through hole
224
into the receiving space
222
of the mounting block
221
of the second mounting seat
22
of the base
20
, with the wedge-shaped catch block
331
of the locking pawl
33
being received in and protruded outward from the square hole
223
of the receiving space
222
of the mounting block
221
of the second mounting seat
22
of the base
20
. Then, the positioning rod
31
is in turn extended through the through hole
231
of the first positioning plate
23
of the second mounting seat
22
of the base
20
, the through hole
332
of the locking pawl
33
, the spring
34
, the through hole
241
of the second positioning plate
24
of the second mounting seat
22
of the base
20
and the circular hole
25
of the base
20
, and is protruded outward from the circular hole
25
of the base
20
. Then, the screw
35
is screwed into the screw bore
312
of the positioning rod
31
. Then, the C-shaped snap ring
32
is secured in the annular groove
311
of the positioning rod
31
, and is located between the locking pawl
33
and the first positioning plate
23
of the second mounting seat
22
of the base
20
, thereby accomplishing assembly of the locking device
30
.
By such a design, the locking device
30
may co-operate with the mounting block
221
of the second mounting seat
22
of the base
20
to form a locking fit with the locking cavity
121
of the connecting recess
12
of the boot
10
.
In operation, referring to
FIGS. 2-4
with reference to
FIG. 1
, the locking block
211
of the first mounting seat
21
of the base
20
may be locked in the locking recess
11
of the boot
10
, while the mounting block
221
of the second mounting seat
22
of the base
20
may be received in the connecting recess
12
of the boot
10
. At this time, by the design of the inclined surface of the wedge-shaped catch block
331
of the locking pawl
33
and by the elasticity of the spring
34
, the wedge-shaped catch block
331
of the locking pawl
33
may be forced into the locking cavity
121
of the connecting recess
12
of the boot
10
, thereby locking the mounting block
221
of the second mounting seat
22
of the base
20
in the connecting recess
12
of the boot
10
, so that the base
20
may be mounted and fixed on the bottom of the boot
10
as shown in FIG.
4
.
On the contrary, the user may push the positioning rod
31
or pull the screw
35
to move the locking pawl
33
which may be moved from the position as shown in
FIG. 2
to the position as shown in
FIG. 3
, thereby detaching the wedge-shaped catch block
331
of the locking pawl
33
from the locking cavity
121
of the connecting recess
12
of the boot
10
, so that the base
20
may be detached from the bottom of the boot
10
. Then, the locking pawl
33
may be returned to the original position by the restoring force of the spring
34
.
Referring to
FIG. 5
with reference to
FIG. 1
, the replaceable skate assembly
1
in accordance with another embodiment of the present invention further comprises an ankle guard
4
that may be mounted on the second mounting seat
22
of the base
20
by the through hole
26
for passage of the bolt
28
and the screw
281
, and the through hole
27
for passage of the bolt
29
and the screw
291
, so that the ankle guard
4
may be locked on the second mounting seat
22
of the base
20
.
Accordingly, the replaceable skate assembly
1
in accordance with the present invention has the following advantages.
1. The base
20
may be assembled on and detached from the bottom of the boot
10
quickly, easily and conveniently, thereby facilitating the user using the replaceable skate assembly
1
.
2. The bottom of the boot
10
is integrally formed with the boot
10
, without having to additionally provide an aluminum alloy structure on the bottom of the boot
10
, thereby simplifying the procedure of fabrication, and thereby decreasing the cost of fabrication.
Although the invention has been explained in relation to its preferred embodiment as mentioned above, it is to be understood that many other possible modifications and variations can be made without departing from the scope of the present invention. It is, therefore, contemplated that the appended claim or claims will cover such modifications and variations that fall within the true scope of the invention.
Claims
- 1. A replaceable skate assembly, comprising a boot, a base mounted on a bottom of the boot, and a locking device mounted in the base, wherein:the bottom of the boot has a first end formed with a locking recess and a second end formed with a connecting recess, the connecting recess of the boot has a side formed with a locking cavity; the base has a first end provided with a first mounting seat and a second end provided with a second mounting seat, the first mounting seat of the base has a top provided with a locking block that may be locked in the locking recess of the boot, the second mounting seat of the base has a top provided with a mounting block that may be received in the connecting recess of the boot, the mounting block of the second mounting seat of the base has an inside formed with a closed receiving space which has a side formed with a square hole and a bottom formed with a through hole, the second mounting seat of the base has a bottom provided with a first positioning plate formed with a through hole and a second positioning plate formed with a through hole; and the locking device includes a positioning rod, a locking pawl, and a spring, wherein: the locking pawl is movably mounted in the receiving space of the mounting block of the second mounting seat of the base, and has a top end provided with a wedge-shaped catch block received in and protruded outward from the square hole of the receiving space of the mounting block of the second mounting seat of the base; and the positioning rod is in turn extended through the through hole of the first positioning plate of the second mounting seat of the base, the locking pawl, the spring, the through hole of the second positioning plate of the second mounting seat of the base, and is protruded outward from the base.
- 2. The replaceable skate assembly in accordance with claim 1, wherein the bottom of the boot is integrally formed with the boot.
- 3. The replaceable skate assembly in accordance with claim 1, wherein the through hole of the receiving space of the mounting block of the second mounting seat of the base is located between the first positioning plate and the second positioning plate of the second mounting seat of the base.
- 4. The replaceable skate assembly in accordance with claim 1, wherein the second end of the base is formed with a circular hole aligning with the through hole of the second positioning plate of the second mounting seat of the base for passage of the positioning rod of the locking device.
- 5. The replaceable skate assembly in accordance with claim 1, wherein the second mounting seat of the base has a first side formed with a through hole for passage of a bolt and a screw, and a second side formed with a through hole for passage of a bolt and a screw.
- 6. The replaceable skate assembly in accordance with claim 5, wherein further comprising an ankle guard mounted on the second mounting seat of the base by the through hole of the first side for passage of the bolt and the screw, and the through hole of the second side for passage of the bolt and the screw, so that the ankle guard may be locked on the second mounting seat of the base.
- 7. The replaceable skate assembly in accordance with claim 1, wherein the locking device is mounted between the first positioning plate and the second positioning plate of the second mounting seat of the base.
- 8. The replaceable skate assembly in accordance with claim 1, wherein the locking pawl of the locking device has a lower portion formed with a through hole for passage of the positioning rod of the locking device.
- 9. The replaceable skate assembly in accordance with claim 1, wherein the positioning rod is formed with an annular groove, and the locking device further includes a C-shaped snap ring secured in the annular groove of the positioning rod and located between the locking pawl and the first positioning plate of the second mounting seat of the base.
- 10. The replaceable skate assembly in accordance with claim 1, wherein the positioning rod has a distal end protruded outward from the base and formed with a screw bore, and the locking device further includes a screw screwed into the screw bore of the positioning rod.
- 11. The replaceable skate assembly in accordance with claim 1, wherein the spring is mounted on the positioning rod, and is urged between the first positioning plate and the second positioning plate of the second mounting seat of the base.
US Referenced Citations (14)