AU2022203500B1

AU2022203500B1 - Braking Mechanism of a Wheeled Device

Info

Publication number: AU2022203500B1
Application number: AU2022203500A
Authority: AU
Inventors: Chieh-Feng Liu; Wen-Kuei Liu; Yung-Hsiang Liu
Original assignee: Liu Chieh Feng
Current assignee: Liu Chieh Feng
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2023-09-07
Anticipated expiration: 2042-05-24

Abstract

EDITORIAL NOTE APPLICATION NUMBER - 2022203500 Please note: Abstract page 12 should be numbered 11. ABSTRACT OF THE DISCLOSURE A braking mechanism of a wheeled device is provided, including: a main body, configured to be connected to the wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel. 12

Description

ABSTRACT OF THE DISCLOSURE

A braking mechanism of a wheeled device is provided, including: a main body,

configured to be connected to the wheeled device including at least one wheel; an

adjusting member, disposed on the main body and including a rod and a first

abutting member adjustably positioned on the rod; a braking member, movably

disposed on the main body; and an elastic member, abutted between the first abutting

member and the braking member so that the braking member is biased by the force

of the elastic member toward the at least one wheel to frictionally contact the at least

one wheel.

P/00/011 Regulation 3.2 AUSTRALIA

Patents Act 1990

COMPLETE SPECIFICATION FORASTANDARDPATENT ORIGINAL TO BE COMPLETED BY APPLICANT

Invention Title: Braking Mechanism of a Wheeled Device

Name of Applicant: Chieh-Feng LIU, Yung-Hsiang LIU

Address for Service: A.P.T. Patent and Trade Mark Attorneys PO Box 833, Blackwood, SA 5051

The following statement is a full description of this invention, including the best method of performing it known to me/us:

BRAKING MECHANISM OF A WHEELED DEVICE BACKGROUND OF THE INVENTION

Field of the Invention

The present invention relates to a braking mechanism of a wheeled device.

Description of the Prior Art

Recently, people have paid more and more attention to leisure sports, which can

relax the mind and train the body at the same time, so it is very popular.

Four-wheeled skates, inline skates, skateboards or similar wheeled sports equipment,

have advantages of convenient acquisition, small size, and less spatial limitation, so

they are ones of most common wheeled devices.

However, because the wheeled device has wheels with little rolling friction, and

the wheel is not equipped with a braking member that increases friction and adjusts

the rolling speed of the wheel, for beginners, it is difficult to maintain balance and

extremely difficult to control, resulting in poor learning efficiency, and it is easy to

cause fall injury.

The present invention is, therefore, arisen to obviate or at least mitigate the

above-mentioned disadvantages.

SUMMARY OF THE INVENTION

The main object of the present invention is to provide a braking mechanism of a

wheeled device whose braking performance is adjustable.

To achieve the above and other objects, a braking mechanism of a wheeled

device is provided, including: a main body, configured to be connected to the

wheeled device including at least one wheel; an adjusting member, disposed on the main body and including a rod and a first abutting member adjustably positioned on the rod; a braking member, movably disposed on the main body; and an elastic member, abutted between the first abutting member and the braking member so that the braking member is biased by the force of the elastic member toward the at least one wheel to frictionally contact the at least one wheel.

The present invention will become more obvious from the following description

when taken in connection with the accompanying drawings, which show, for

purpose of illustrations only, the preferred embodiment(s) in accordance with the

present invention.

BRIEF DESCRIPTION OF THE DRAWINGS

Fig. 1 is a stereogram of a preferable embodiment of the present invention;

Fig. 2 is a breakdown drawing of a preferable embodiment of the present

invention; and

Figs. 3-5 are cross-sectional views showing operation of a preferable

embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Please refer to Figs. 1 to 5 for a preferable embodiment of the present invention.

A braking mechanism 1 of a wheeled device of the present invention includes a main

body 10, an adjusting member 20, a braking member 30 and an elastic member 40.

The main body 10 is configured to be connected to the wheeled device 100

including at least one wheel 110, wherein the wheeled device 100 may be

four-wheeled skates, inline skates, skateboards or similar wheeled sports equipment.

The adjusting member 20 is disposed on the main body 10, the adjusting member 20 includes a rod 21 and a first abutting member 22 adjustably positioned on the rod 21.

The braking member 30 is movably disposed on the main body 10. The elastic

member 40 is abutted between the first abutting member 22 and the braking member

so that the braking member 30 is biased by the force of the elastic member 40

toward the at least one wheel 110 to frictionally contact the at least one wheel 110.

Whereby, the frictional contact level of the braking member 30 and the at least one

wheel 110 is adjustable, which is advantageous for playing and controlling the

wheeled device and prevents the user from injury due to falling down.

The main body 10 includes a base portion 11 configured to be connected to the

wheeled device 100 and a tubular portion 12 connected to the base portion 11. The

base portion 11 may be fixed to the wheeled device by a plurality of connectors or

fasteners, or the base portion 11 may be fixedly embedded in and encompassed by

the bottom of the wheeled device. The rod 21 is inserted in the tubular portion 12,

the first abutting member 22 is received in the tubular portion 12 and movable along

the tubular portion 12, and the braking member 30 is mounted to and movable

relative to the tubular portion 12. Specifically, an end plate 50 is screwed to an end

of the tubular portion 12, and the rod 21 is movably disposed through the end plate

, thus being simple in structure, manufacturing and assembling.

Specifically, the braking member 30 includes a second abutting member 31

movably mounted to an end of the tubular portion 12 and a board 32 including at

least one (preferably, plural) braking pad 321, and the board 32 is movable with the

second abutting member 31. The elastic member 40 is disposed between the first

abutting member 22 and the second abutting member 31 so that the at least one braking pad 321 can be urged to contact the at least one wheel 110. An end plate 60 is screwed to an end of the tubular portion 12, and the second abutting member 31 is movably disposed through the end plate 60, thus being simple in structure, manufacturing and assembling. Preferably, the second abutting member 31 includes a non-circular section 33 disposed through the end plate 60, the non-circular section

33 axially movable relative to the end plate 60 and non-rotatable relative to the end

plate 60, which restricts and stabilizes the braking member 30 and provides good

braking performance. The tubular portion 12 includes at least one guiding slot 121,

and the first abutting member 22 includes at least one projection 221 slidably

received within the at least one guiding slot 121. The at least one projection 221 may

be detachably connected to or integrally formed as a part of the first abutting

member 22.

In this embodiment, the base portion 11 and the tubular portion 12 are integrally

formed of one piece, the tubular portion 12 includes a plurality of guiding slots 121,

and the first abutting member 22 includes a plurality of projections 221 which are

detachable and slidably received within the plurality of guiding slots 121, so that the

first abutting member 22 can be stably guided. The at least one braking pad 321

includes a concave surface 322 configured to correspond to and frictionally contact

the at least one wheel 110, which provides good braking performance. The plurality

of fasteners 70 are disposed through the board 32 so that the at least one braking pad

321 is detachably secured to the board 32, which is easy to assemble/ disassemble

and replace. The plurality of fasteners 70 are preferably not protrusive beyond an

outer surface of the at least one braking pad 321, which prevents lowering of braking performance and prevents the at least one wheel 110 from being damaged. The first abutting member 22 and the second abutting member 31 each further includes a blocking protrusion 222, 311 and an insertion hole 223, 312, the elastic member 40 is coil spring, and the coil spring is disposed around disposed around the first abutting member 22 and the second abutting member 31. Distal ends of the coil spring are inserted in the insertion hole 223 of the first abutting member 22 and the insertion hole 312 of the second abutting member 31, respectively. The coil spring is axially blocked by the blocking protrusion 222 of the first abutting member 22 and the blocking protrusion 311 of the second abutting member 31, so that the structural relationship and relative positions of the first abutting member 22, the second abutting member 31 and the elastic member 40 are stabilized and restricted.

Preferably, two ends of the elastic member 40 are movable with the first

abutting member 22 and the braking member 30, respectively. The first abutting

member 22 can drive the elastic member 40 to move the braking member 30 away

from the at least one wheel 110 so that the braking member 30 is distanced from the

at least one wheel 110 and the at least one wheel 110 is free of brake (Fig. 5). The

main body 10 further includes a seat portion 13, the rod 21 is a threaded rod, the

adjusting member 20 further includes a rotatable member 23 rotatable with the rod

21, the first abutting member 22 is screwed on the threaded rod, the rotatable

member 23 includes a plurality of notches 231 arranged around the rod 21, and an

elastic member 80 is disposed between the seat portion 13 and a positioning member

90. The positioning member 90 is releasably engaged within one of the plurality of

notches 231 so that the rotatable member 23 is restricted in a set position without free rotational movement.

Although particular embodiments of the invention have been described in detail

for purposes of illustration, various modifications and enhancements may be made

without departing from the spirit and scope of the invention. Accordingly, the

invention is not to be limited except as by the appended claims.

Claims

WHAT IS CLAIMED IS:

1 A braking mechanism of a wheeled device, including:

a main body, configured to be connected to the wheeled device including at least one

wheel;

an adjusting member, disposed on the main body and including a rod and a first

abutting member adjustably positioned on the rod;

a braking member, movably disposed on the main body; and

an elastic member, abutted between the first abutting member and the braking

member so that the braking member is biased by the force of the elastic member toward

the at least one wheel to frictionally contact the at least one wheel;

wherein the braking member includes a second abutting member movably mounted

to the main body;

wherein the rod and the first abutting member are coaxially connected to each other;

wherein the elastic member is a coil spring disposed around the first abutting

member and the second abutting member, the elastic member is coaxially connected to

the first abutting member and the second abutting member, and the first abutting member

and the second abutting member are distanced from each other by the coil spring;

wherein the braking member is coaxially connected to the second abutting member.
2. The braking mechanism of claim 1, wherein the main body includes a base portion

configured to be connected to the wheeled device and a tubular portion connected to the

base portion, the rod is inserted in the tubular portion, the first abutting member is

received in the tubular portion and movable along the tubular portion, and the braking

member is mounted to and movable relative to the tubular portion.
3. The braking mechanism of claim 2, wherein an end plate is screwed to an end of the tubular portion, and the rod is movably disposed through the end plate.
4. The braking mechanism of claim 2, wherein the second abutting member is movably

mounted to an end of the tubular portion, the braking member further includes a board

including at least one braking pad, the board is movable with the second abutting

member, and the elastic member is disposed between the first abutting member and the

second abutting member.
5. The braking mechanism of claim 4, wherein an end plate is screwed to the tubular

portion, and the second abutting member is movably disposed through the end plate.
6. The braking mechanism of claim 5, wherein the second abutting member includes a

non-circular section disposed through the end plate, and the non-circular section is

axially movable relative to the end plate and non-rotatable relative to the end plate.
7. The braking mechanism of claim 2, wherein the tubular portion includes at least one

guiding slot, and the first abutting member includes at least one projection slidably

received within the at least one guiding slot.
8. The braking mechanism of claim 6, wherein the main body includes a base portion

configured to be connected to the wheeled device and a tubular portion connected to the

base portion, the base portion and the tubular portion are integrally formed of one piece,

the rod is inserted in the tubular portion, the first abutting member is received in the

tubular portion and movable along the tubular portion, and the braking member is

mounted to and movable relative to the tubular portion; a second end plate is screwed to

an end of the tubular portion, the rod is movably disposed through the second end plate;

the tubular portion includes a plurality of guiding slots, the first abutting member

includes a plurality of projections which are detachable and slidably received within the

plurality of guiding slots; the at least one braking pad includes a concave surface configured to correspond to and frictionally contact the at least one wheel; a plurality of fasteners are disposed through the board so that the at least one braking pad is detachably secured to the board; the plurality of fasteners are not protrusive beyond an outer surface of the at least one braking pad; the first abutting member and the second abutting member each further includes a blocking protrusion and an insertion hole, the elastic member is a coil spring, the coil spring is disposed around the first abutting member and the second abutting member, distal ends of the coil spring are inserted in the insertion hole of the first abutting member and the insertion hole of the second abutting member, respectively; the coil spring is axially blocked by the blocking protrusion of the first abutting member and the blocking protrusion of the second abutting member.
9. The braking mechanism of claim 1, wherein two ends of the elastic member are movable

with the first abutting member and the braking member, respectively, so that the first

abutting member drives the elastic member to move the braking member away from the

at least one wheel.
10. The braking mechanism of claim 1, wherein the main body includes a seat portion, the

rod is a threaded rod, the adjusting member further includes a rotatable member rotatable

with the rod, the first abutting member is screwed on the threaded rod, the rotatable

member includes a plurality of notches arranged around the rod, a second elastic member

is disposed between the seat portion and a positioning member, and the positioning

member is releasably engaged within one of the plurality of notches.