# US 11,440,609 B2 · Child vehicle with tool-less components and associated methods

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- Number: US 11,440,609 B2
- Document ID: US11440609B2
- Status: Granted
- Kind: B2
- Application number: 16/892,367
- Filed: 2020-06-04
- Published: 2021-02-04
- Granted: 2022-09-13
- Earliest claimed: 2019-08-01
- Assignees: Huffy Corporation
- Applicants: Huffy Corporation
- Inventors: Jason Jewell
- Web page: https://patentgrep.com/patent/US11440609B2

## CPC

- B62K 21/02: Front wheel forks or equivalent, e.g. single tine
- B60B 3/001: {Lightweight wheels, e.g. for strollers or toys}
- B60B 27/00: Hubs (non-metallic B60B5/00; of high resiliency B60B9/00)
- B60B 37/10: the wheels being individually rotatable around the axles
- B62K 3/002: {without a seat, i.e. the rider operating the vehicle in a standing position, e.g. non-motorized scooters; non-motorized scooters with skis or runners}
- B62K 9/02: Tricycles
- B62K 19/32: Steering heads (bearings therefor B62K21/06)
- B62K 21/04: Fork crowns
- B62K 21/12: Handlebars; Handlebar stems
- B62K 21/24: readily releasable
- B62K 25/02: for mounting axles rigidly on cycle frame or fork, e.g. adjustably
- F16B 7/042: {with a locking element, e.g. pin, ball or pushbutton, engaging in a hole in the wall of at least one tube}
- F16B 7/0426: {for rods or for tubes without using the innerside thereof}
- F16B 13/0891: {with a locking element, e.g. wedge, key or ball moving along an inclined surface of the dowel body (F16B13/0816, F16B13/0825, F16B13/0883 take precedence)}
- B60B 2900/113: Production or maintenance time
- B60Y 2200/81: Toys
- B62K 2206/00: Quick release mechanisms adapted for cycles
- B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE
- B60B: VEHICLE WHEELS (making wheels or wheel parts by rolling B21H1/00, by forging, hammering or pressing B21K1/28); CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- F16B: DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING (couplings for transmitting rotation F16D)
- B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY

## Abstract

A child vehicle includes a front frame having a handlebar with a steering tube and a front fork having a fork stem and a front wheel, a rear frame including a head tube and a rear wheel, and a sleeve assembly mounted to the front frame and engaging the rear frame to rotatably connect the front and rear frames in a tool-less manner. A method of tool-less assembly of a child vehicle includes inserting an end of the fork stem through the head tube, sliding an inner sleeve over the end of the fork stem and positively connecting the inner sleeve to the fork stem, sliding the outer sleeve over an end of the steering tube, connecting the steering tube to the fork stem, and connecting the outer sleeve to the inner sleeve. A child vehicle having a rear wheel connected to the vehicle in a tool-less manner and a method of achieving such a tool-less connection is also disclosed.

## Claims

### Claim 1

A method of tool-less assembly of a child vehicle, comprising:
providing a front frame assembly including a handlebar having a steering tube and a front fork having a fork stem and a front wheel;
providing a rear frame assembly having a head tube and at least one rear wheel;
providing a sleeve assembly having an inner sleeve and an outer sleeve;
inserting an end of the fork stem through the head tube;
sliding the inner sleeve over the end of the fork stem and positively connecting the inner sleeve to the fork stem in a tool-less manner, wherein a lower end of the head tube engages an abutment surface of the front fork and an upper end of the head tube engages the inner sleeve;
sliding the outer sleeve over an end of the steering tube;
connecting the steering tube to the fork stem in a tool-less manner; and
connecting the outer sleeve to the inner sleeve.

### Claim 2 (depends on 1)

The method of claim 1, wherein positively connecting the inner sleeve to the fork stem in a tool-less manner further comprises:
providing the inner sleeve with a spring clip;
providing the fork stem with an aperture; and
engaging the spring clip with the aperture to positively connect the inner sleeve to the fork stem.

### Claim 3 (depends on 1)

The method of claim 1, wherein connecting the steering tube to the fork stem in a tool-less manner further comprises:
providing one of the steering tube or fork stem with a spring-biased push pin;
providing the other of the steering tube or fork stem with an aperture; and
engaging the push pin with the aperture to positively connect the steering tube and fork stem.

### Claim 4 (depends on 3)

The method of claim 3, further comprising:
engaging the push pin with an aperture in the inner sleeve; and
covering the push pin with the outer sleeve when the outer sleeve is connected to the inner sleeve.

### Claim 5 (depends on 1)

The method of claim 1, wherein the inner sleeve includes a plurality of tabs, the method further comprising clamping the plurality of tabs to the steering tube when the outer sleeve is connected to the inner sleeve.

### Claim 6

A child vehicle, comprising:
a front frame assembly including at least one front wheel;
a steerer for turning the at least one front wheel;
a rear frame assembly pivotally connected to the front frame assembly and including a rear wheel axle; and
a rear wheel positively connected to the rear wheel axle by a tool-less connector, wherein the tool-less connector comprises:
a locking element carried by the rear wheel and moveable between a locked position and an unlocked position; and
a groove in the rear wheel axle,
wherein at least a portion of the locking element resides in the groove when in the locked position to thereby restrict movement of the rear wheel relative to the rear wheel axle,
wherein no portion of the locking element resides in the groove when in the unlocked position to thereby allow movement of the rear wheel relative to the rear wheel axle, and
wherein the locking element includes an oval aperture having a first portion with a first radius and a second portion with a second radius, and wherein the second radius is smaller than the first radius.

### Claim 7 (depends on 6)

The child vehicle of claim 6, wherein the tool-less connector further comprises a spring member to bias the locking element toward the locked position.

### Claim 8 (depends on 6)

The child vehicle of claim 6, wherein the tool-less connector further comprises a push pin for moving the locking element from the locked position to the unlocked position.

### Claim 9 (depends on 6)

The child vehicle of claim 6, wherein the second radius is less than the radius of the rear wheel axle and greater than the radius of the groove.

### Claim 10 (depends on 6)

The child vehicle of claim 6, wherein the rear wheel axle is generally positioned within the first portion of the oval aperture when the locking element is in the unlocked position, and wherein the rear wheel axle is generally positioned in the second portion when the locking element is in the locked position.

### Claim 11

A method of tool-less assembly of a child vehicle, comprising:
providing a front frame assembly including at least one front wheel;
providing a steerer for turning the at least one front wheel;
providing a rear frame assembly including a rear wheel axle;
providing a rear wheel including a central hub having a wheel mounting sleeve and a tool-less connector, the tool-less connector comprising a spring-biased locking element having a locked position and an unlocked position located in the central hub adjacent the wheel mounting sleeve and a groove formed in the rear wheel axle adjacent the end;
inserting an end of the rear wheel axle into the wheel mounting sleeve; and
connecting the rear wheel to the rear wheel axle using the tool-less connector, comprising
moving the locking element from the locked position to the unlocked position;
inserting the rear wheel axle through an aperture in the locking element;
moving the locking element to the locked position to engage a portion of the locking element within the groove of the rear wheel axle.

### Claim 12 (depends on 11)

The method of claim 11, wherein moving the locking element from the locked position to the unlocked position further comprises:
engaging the end of the rear wheel axle with the aperture in the locking element; and
moving the locking element from the locked position to the unlocked position by the engagement of the rear wheel axle with the aperture in the locking element.

### Claim 13 (depends on 11)

The method of claim 11, wherein moving the locking element from the locked position to the unlocked position further comprises manually moving the locking element from the locked position to the unlocked position.

### Claim 14 (depends on 11)

The method of claim 11, wherein moving the locking element to the locked position further comprises moving the locking element to the locked position under a spring biasing force.

### Claim 15 (depends on 11)

The method of claim 11, further comprising pivotally connecting the front and rear frame assemblies together.

### Claim 16

A child vehicle, comprising:
a front frame assembly including a handlebar with a steering tube and a front fork having a fork stem and a front wheel;
a rear frame assembly including a head tube and at least one rear wheel; and
a sleeve assembly mounted to the front frame assembly and engaging the rear frame assembly to rotatably connect the front and rear frame assemblies in a tool-less manner,
wherein the sleeve assembly includes an inner sleeve and an outer sleeve connected to the inner sleeve,
wherein the inner sleeve is positively connected to the front frame assembly by a first tool-less connector, and
wherein the first tool-less connector comprises a spring clip on the inner sleeve and an aperture in the fork stem, and wherein when the spring clip is received in the aperture, the inner sleeve is positively connected to the fork stem.

### Claim 17 (depends on 16)

The child vehicle of claim 16, wherein the inner sleeve includes a plurality of tabs, and wherein the plurality of tabs clamp on the front frame assembly when the outer sleeve is connected to the inner sleeve.

### Claim 18 (depends on 17)

The child vehicle of claim 17, wherein the plurality of tabs clamp on the steering tube when the outer sleeve is connected to the inner sleeve.

### Claim 19 (depends on 16)

The child vehicle of claim 16, wherein the steering tube and the fork stem are positively connected together by a second tool-less connector.

### Claim 20 (depends on 19)

The child vehicle of claim 19, wherein the second tool-less connector is disposed in the sleeve assembly when the front and rear frame assemblies are rotatably connected together.

### Claim 21 (depends on 20)

The child vehicle of claim 20, wherein the second tool-less connector comprises a spring-biased push pin in one of the steering tube or fork stem and an aperture in the other of the steering tube or fork stem, and wherein when the push pin is received in the aperture, the steering tube and fork stem are positively connected together.

### Claim 22 (depends on 21)

The child vehicle of claim 21, wherein the inner sleeve includes an aperture and the push pin is received in the aperture of the inner sleeve when the front and rear frame assembles are rotatably connected together.

### Claim 23 (depends on 22)

The child vehicle of claim 22, wherein the outer sleeve covers the push pin when the outer sleeve is connected to the inner sleeve.

### Claim 24 (depends on 16)

The child vehicle of claim 16, wherein the child vehicle is a scooter.

### Claim 25

A child vehicle, comprising:
a front frame assembly including a handlebar with a steering tube and a front fork having a fork stem and a front wheel;
a rear frame assembly including a head tube and at least one rear wheel; and
a sleeve assembly mounted to the front frame assembly and engaging the rear frame assembly to rotatably connect the front and rear frame assemblies in a tool-less manner,
wherein the sleeve assembly includes an inner sleeve and an outer sleeve connected to the inner sleeve, and
wherein the inner sleeve includes a plurality of tabs, the plurality of tabs clamping on the front frame assembly when the outer sleeve is connected to the inner sleeve.

### Claim 26 (depends on 25)

The child vehicle of claim 25, wherein the inner sleeve is positively connected to the front frame assembly by a first tool-less connector.

### Claim 27 (depends on 26)

The child vehicle of claim 26, wherein the first tool-less connector comprises a spring clip on the inner sleeve and an aperture in the fork stem, and wherein when the spring clip is received in the aperture, the inner sleeve is positively connected to the fork stem.

### Claim 28 (depends on 25)

The child vehicle of claim 25, wherein the plurality of tabs clamp on the steering tube when the outer sleeve is connected to the inner sleeve.

### Claim 29 (depends on 25)

The child vehicle of claim 25, wherein the steering tube and the fork stem are positively connected together by a second tool-less connector.

### Claim 30 (depends on 29)

The child vehicle of claim 29, wherein the second tool-less connector is disposed in the sleeve assembly when the front and rear frame assemblies are rotatably connected together.

### Claim 31 (depends on 30)

The child vehicle of claim 30, wherein the second tool-less connector comprises a spring-biased push pin in one of the steering tube or fork stem and an aperture in the other of the steering tube or fork stem, and wherein when the push pin is received in the aperture, the steering tube and fork stem are positively connected together.

### Claim 32 (depends on 31)

The child vehicle of claim 31, wherein the inner sleeve includes an aperture and the push pin is received in the aperture of the inner sleeve when the front and rear frame assembles are rotatably connected together.

### Claim 33 (depends on 32)

The child vehicle of claim 32, wherein the outer sleeve covers the push pin when the outer sleeve is connected to the inner sleeve.

### Claim 34 (depends on 25)

The child vehicle of claim 25, wherein the child vehicle is a scooter.