JPH0223344Y2 - - Google Patents

Description

[Detailed explanation of the idea] This invention relates to roller skating.

Conventionally, when a truck equipped with rollers is attached to a front plate and a rear plate, a king bolt is generally inserted into the frame ring of the truck and screwed directly onto the front plate and rear plate.

However, in this case, a heavy load is applied to the king bolt threaded portions of the front plate and the rear plate, so the material for the front plate and the rear plate is limited to metal or the like. Therefore, roller skates have the disadvantage of being heavy and costly.

The present invention has been made based on the above circumstances, and the object is to provide a roller skate in which materials of relatively low strength, such as plastics and light metals, can be used as the front and rear plates. Hereinafter, the present invention will be specifically explained with reference to the drawings.

The drawing shows one embodiment of the present invention.
The toe body 1 is composed of a front plate 3 having a stopper 9 attached to the front surface, a track 4, and rollers 8 attached to both sides of the track 4. The track 4 is made up of a support leg 5, a roller shaft 6, and a frame ring 7, and the tip of the support leg 5 is connected to a front plate 3.
A king bolt 13 is inserted into the shaft hole of the first seat 3a formed on the lower surface and inserted into the frame ring 7, and the tip of the king bolt 13 is formed in the front-rear direction on the upper surface of the front plate 3. It is inserted into the first through hole 36 bored at the bottom of the slide groove 30 and is screwed onto the first nut body 37 attached to the top of the first through hole 36 to be attached to the front plate 3.
A roller shaft 6 provided at the lower end of the support leg 5
It supports two rollers 8 on the left and right. The king bolt 13 is fitted with receiving plates 11, 11 and elastic cushioning materials 10, 10 made of rubber or the like as usual, and a tightening nut 12 is screwed thereon.

Further, reference numeral 2 denotes a heel body, which has the same structure as the toe body 1 described above, and this heel body 2 is made up of a rear plate 21, a track 4, and rollers 8 attached to both sides of the track 4. It is configured. The track 4 is made up of a support leg 5, a roller shaft 6, and a frame ring 7.
The king bolt 13 is inserted into the shaft hole of a and inserted into the frame ring 7, and the tip of the king bolt 13 is inserted into the bottom of the slide groove 33 formed in the front-rear direction on the upper surface of the rear plate 21. 2 through hole 38 and attached to the upper part of the second through hole 38.
It is attached to the rear plate 21 by screwing onto a nut body 39, and supports two left and right rollers 8 on a roller shaft 6 provided at the lower end of the support leg 5. The above king bolt 13 has a receiving plate 1.
1, 11 and elastic cushioning materials 10, 10 made of rubber etc.
are mounted in the usual manner, and a tightening nut 12 is screwed on.

A second catch seat 3b is provided on the lower surface of the front plate 3 in addition to the first catch seat 3a, and a second catch seat 3b is provided on the bottom surface of the slide groove 30 in the length direction of the bottom surface (the length direction of the slide groove 30). Trapezoidal protrusion 30a connected to
is formed, and a first through hole 36 is formed at the bottom of the slide groove 30, penetrating the second seat 3b downward.
A recess 3c and a stopper hole 32 are formed.

Further, on the lower surface of the rear plate 21, a second catch 21b is provided in addition to the first catch 21a, as in the case of the front plate 3, and a slide groove 33 is provided.
A trapezoidal projection 33a extending in the length direction of the bottom surface (the length direction of the slide groove 33) is formed on the bottom surface of the slide groove 33.
A recess 21c in which a second through hole 38 passing downwardly through the seat 21b is provided, and a stopper hole 34 are formed.

The first nut body 37 is located in the recess 3c of the front plate 3.
Furthermore, the second nut bodies 39 are fitted into the recesses 21c of the rear plate 21, respectively.

Reference numeral 39 indicates a substantially channel-shaped frame. The bottom portion 29c of the frame 29 is formed into a trapezoidal shape, and a trapezoidal recess 29e is formed in the bottom surface of the bottom portion 29c, which extends in the length direction of the bottom surface (the length direction of the frame 29). In addition, hanging edges 29d, 29d are vertically bent downward from the upper open horizontal parts 29f, 29f of the frame 29, and their lower ends are brought into contact with the top surface of the bottom part 29c to strengthen the strength against loads in the vertical direction. .

The frame 29 has trapezoidal projections 30a, 3.
The trapezoidal recess 29e is tightly fitted into the recess 3a, and the first nut body 37 and the second nut body 39 are held in the recesses 3c, 21c, and the horizontal portions 29f,
The top surface of 29f is the front plate 3 and rear plate 2.
Both ends thereof are fitted into the slide grooves 30 and 33 of the toe body 1 and the heel body 2 while being aligned with the upper surface of the toe body 1 and the heel body 2. The locking hole 41 formed in the toe cover plate 14, the locking hole 29a provided in the length direction of the frame 29, the locking hole 44 provided at one end of the first nut body 37, and the sliding of the front plate 3. A mounting bolt 19 passes through a stopper hole 32 formed at the bottom of the groove 30 and is attached with a nut 20, and the frame 29 is attached to the toe cover plate 1.
4 to prevent it from wobbling. Also, the fixing hole 40 of the toe cover plate 14 to which the toe tightening belt 17 is attached with the rivet 18 and the two fixing holes 31 of the front plate 3
Two mounting bolts 15 pass through the nut 16.
It is attached with. Further, a fastening hole 422 formed in the heel cover plate 24, a fastening hole 29b provided in the length direction of the frame 29, and a second fastening hole 422 formed in the heel cover plate 24,
The mounting bolt 22 passes through a stop hole 45 provided at one end of the nut body 39 and a stop hole 34 formed at the bottom of the slide groove 33 of the rear plate 21 and is attached with a nut 23, and the frame 29 is attached to the heel cover. It is held down by a plate 24 to prevent it from wobbling. Furthermore, the retaining hole 35 of the rear plate 21 and the heel cover plate 2
A mounting bolt 25 passes through the fixing hole 43 of No. 4 and is attached with a nut 26. An insertion hole 27 is provided at the rear of the heel cover plate 24, and a heel tightening belt 28 is inserted into the insertion hole 27. is inserted.

Next, the function of the roller skate according to the present invention will be explained.

Figure 1 shows the roller skate in a state where the length is almost the minimum. When attaching this roller skate to your foot, first loosen the mounting bolts 19 and nuts 20, 22 and 23, and then tighten the toe. By sliding the body 1 and the heel body 2 relative to the frame 29, and then tightening the mounting bolts 19 and nuts 20, 22 and 23 at positions that match the user's shoe size, the user's It can be adjusted and used according to the shoe size. Note that the mounting bolts 19 and nuts 20 are not necessarily required.
There is no need to loosen both the mounting bolt 22 and nut 23 to make adjustments.In particular, when making fine adjustments, loosen either the mounting bolt 19 and nut 20 or the mounting bolt 22 and nut 23. It's okay.

In the above, the trapezoidal projections 30a and 33a formed on the bottom surfaces of the slide grooves 30 and 33 strengthen the strength of the front plate 3 and the rear plate 21, and the trapezoidal bottom portion 29c of the frame 29 and the top surface of the bottom portion 29c. The hanging edge 29d whose lower end is in contact with the frame 2
Increase the intensity of step 9. In addition, the mounting bolts 19, 22
When the nuts 20, 23 are tightened, the trapezoidal protrusions 30a, 33a of the slide grooves 30, 33 fit into the trapezoidal recess 29e of the frame bottom 29c like a wedge and come into close contact with the frame 2.
9 is widened by the wedge action of the protrusions 30a, 33a, and its outer surface is brought into close contact with the inner surface of the slide grooves 30, 33, so the assembly strength of the frame 29, toe body 1, and heel body 2 is greatly improved. In addition, the first nut body 37 and the second nut 3 are connected by the frame 29.
The pressing of 9 is strengthened.

As explained above, the roller skate according to the present invention includes a toe body, a heel body, and a substantially channel-shaped frame, and the toe body is provided with a first catch seat and a second catch seat on the bottom surface, and a bottom surface of the roller skate. A slide groove in which a trapezoidal protrusion extending in the lengthwise direction of the bottom surface is formed in the front-rear direction of the top surface, and a first slide groove that penetrates the second seat downwardly at the bottom of the slide groove.
A truck has support legs, a roller shaft, and a frame ring on a front plate in which a recess with a through hole and a stopper hole are formed, and a roller is pivotally supported on the roller shaft,
A support leg is pivotally attached to the first seat, and the upper end of a king bolt inserted from the frame ring into the first through hole is screwed to the first nut body fitted into the recess, Further, the heel body has a first catch seat and a second catch seat provided on the lower surface, and a slide groove in which a trapezoidal protrusion extending in the length direction of the bottom surface is formed in the front-rear direction of the top surface. The roller has a support leg, a roller shaft, and a frame ring on a rear plate in which a recess in which a second through hole penetrating the second seat downwardly penetrates the slide groove and a stopper hole are formed at the bottom of the slide groove. A track having a roller supported on its shaft pivots a support leg to the first seat, and the upper end of a king bolt is inserted into a second through hole from a frame ring of a second nut body fitted into the recess. Furthermore, the frame has a trapezoidal recess formed in the bottom surface of the trapezoidal bottom part, which extends in the lengthwise direction of the bottom part, and a trapezoidal recess that extends in the lengthwise direction of the bottom part. A fastening hole is formed, and the frame has both ends fitted into the slide grooves of the toe body and the heel body to fit and tightly fit the trapezoidal depression to the trapezoidal protrusion, and a first The nut body and the second nut body are fixed to the toe body and heel body by a mounting bolt inserted through the fixing hole and into the fixing hole while the nut body and the second nut body are held in the recess, and the toe body and heel body are integrally connected. The strength of the front plate, rear plate, and frame is strengthened in terms of their structure and assembly. However, it can be manufactured using inexpensive and lightweight materials to reduce costs and weight.

In addition, the frame has a function of connecting the toe body and heel body,
Since it has the function of fixing the first nut body and the second nut body, it is rational and has the advantage that even if the first nut body or the second nut body is damaged due to aging, it can be easily replaced. There is.

[Brief explanation of the drawing]

1 to 5 show an embodiment of the present invention, in which FIG. 1 is a front view, FIG. 2 is a plan view with the toe cover plate 14 and heel cover plate 24 removed, and FIG. 3 is a plan view showing an embodiment of the present invention. is a plan view showing the frame 29 removed from FIG. 2, FIG. 4 is a longitudinal sectional front view of the main part of FIG. 2, and FIG.
A cross-sectional end view taken along a line. 1... Toe body, 2... Heel body, 3... Front plate, 4... Track, 5... Support leg, 8... Roller, 13... King bolt, 19... Mounting bolt, 21... Rear plate, 22...Mounting bolt, 29...Frame, 30...Slide groove, 3
2... Stopping hole, 33... Slide groove, 34... Stopping hole, 36... First through hole, 37... First nut body, 38... Second through hole, 39... Second nut body. ,
3a...first catch, 21a...first catch, 3b...
...Second catch, 21b...Second catch, 29a, 29
b...Fixing hole.

Claims (1)

[Scope of utility model registration request] It comprises a toe body 1, a heel body 2, and a substantially channel-shaped frame 29, and the toe body 1 has a first
A catch seat 3a and a second catch seat 3b are provided, and a trapezoidal projection 30 is provided on the bottom surface and extends in the length direction of the bottom surface.
a recess 3c and a stopper hole, in which a slide groove 30 having a shape a formed therein is formed in the front-rear direction of the upper surface, and a first through hole 36 penetrating the second seat 3b downwardly is provided at the bottom of the slide groove 30. 32 is formed with a support leg 5, a roller shaft 6, and a frame ring 7, and a track 4 having a roller 8 pivotally supported on the roller shaft 6 is mounted on the front plate 3 on which the support leg 5 is formed on the first seat 3a. The upper end of the king bolt 13 inserted from the frame ring 7 into the first through hole 36 is screwed onto the first nut body 37 fitted into the recess 3c, and the heel The body 2 has a first seat 21a and a second seat 21b on its lower surface, and a slide groove 33 in which a trapezoidal protrusion 33a extending in the length direction of the bottom surface is formed in the front-rear direction on the top surface. and the second seat 2 is placed at the bottom of the slide groove 33.
A support leg 5, a roller shaft 6, and a frame ring 7 are provided on the rear plate 21, in which a recess 21c is provided with a second through hole 38 penetrating through 1b downward, and a stopper hole 34 is formed. A track 4 that pivotally supports the roller 8 is inserted into the second through hole 38 from the frame ring 7 through a second nut body 39 which pivots the support leg 5 to the first seat 21a and is fitted into the recess 21c. Furthermore, the frame 29 has a trapezoidal recess 29e formed in the bottom surface of the trapezoidal bottom portion 29c that extends in the length direction of the bottom surface. bottom 2
9c is a long fastening hole 29 in the length direction of the bottom part 29c.
a, 29b are formed, and the frame 9
The trapezoidal depressions 29 are formed in the trapezoidal protrusions 30a, 33a by fitting both ends into the slide grooves 30, 33 of the toe body 1 and heel body 2, respectively.
With the first nut body 37 and the second nut body 39 held in the recesses 3c, 21c, the fixing holes 29a, 29a are inserted through the fixing holes 32, 34,
A roller skate characterized in that the toe body 1 and the heel body 2 are fixed to the toe body 1 and heel body 2 with mounting bolts 19 and 22 inserted through the roller skates 29b, thereby integrally joining the toe body 1 and heel body 2.