# US 11,440,608 B2 · Kick scooter

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- Number: US 11,440,608 B2
- Document ID: US11440608B2
- Status: Granted
- Kind: B2
- Application number: 16/687,805
- Filed: 2019-11-19
- Published: 2020-05-21
- Granted: 2022-09-13
- Earliest claimed: 2018-11-19
- Assignees: Id Development Limited
- Applicants: Id Development Limited
- Inventors: Joseph Mazoyer; Philippe Bajard
- Web page: https://patentgrep.com/patent/US11440608B2

## CPC

- B62K 15/006: {the frame being foldable}
- 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 5/05: characterised by a single rear wheel
- B62K 15/00: Collapsible or foldable cycles
- B62K 21/16: having adjustable parts therein
- B62K 21/24: readily releasable
- B62K: CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDECARS, FORECARS, OR THE LIKE

## Abstract

The invention relates to a kick scooter including a deck assembly (1) and a handlebar assembly (2); the handlebar assembly (2) includes a transversal handlebar (21) and a stand column (22), one end of the stand column (22) being connected to the transversal handlebar (21) and the other end of the stand column (22) being provided with a connecting post (23), an axial direction of the connecting post (23) forming an obtuse angle with an axial direction of the stand column (22); a plug hole (130) is provided in the deck assembly (1) and cooperates with the connecting post (23) by insertion, an axial direction of the plug hole (130) forming a sharp angle with a direction of extension of the deck assembly (1); when the connecting post (23) is located outside the plug hole (130), the handlebar assembly (2) is separated from the deck assembly (1); two locking slots (131) are provided at an insertion opening of the plug hole (130) and arranged respectively on two sides of the plug hole (130); and the connecting post (23) is provided with a locking protrusion (231) that is located inside the locking slot (131) when the connecting post (23) is inserted into the plug hole (130).

## Claims

### Claim 1

A kick scooter comprising a deck assembly (1) and a handlebar assembly (2);
the handlebar assembly (2) comprises a transversal handlebar (21) and a stand column (22), one end of the stand column (22) being connected to the transversal handlebar (21) and the other end of the stand column (22) being provided with a connecting post (23), an axial direction of the connecting post (23) forming an obtuse angle with an axial direction of the stand column (22);
a plug hole (130) is provided in the deck assembly (1) and cooperates with the connecting post (23) by insertion, an axial direction of the plug hole (130) forming a sharp angle with a direction of extension of the deck assembly (1);
when the connecting post (23) is located outside the plug hole (130), the handlebar assembly (2) is separated from the deck assembly (1);
wherein two locking slots (131) are provided at an insertion opening of the plug hole (130) and arranged respectively on two sides of the plug hole (130); and wherein the connecting post (23) is provided with a locking protrusion (231) that is located inside the one of the locking slots (131) when the connecting post (23) is inserted into the plug hole (130);
by the cooperation between the locking protrusion (231) and the locking slot (131), the connecting post (23) is inserted into the plug hole (130) at a predetermined angle, and the rotation of the connecting post (23) inside the plug hole (130) is able to be limited;
after separating the connecting post (23) from the plug hole (130) and the handlebar assembly (2) has rotated 180° around the axial direction of the connecting post (23), the connecting post (23) is able to be inserted into the plug hole (130) at a changed angle, so as to make the handlebar assembly (2) switch between a deployed position and a folded position;
wherein the kick scooter further comprises a locking mechanism (3) for locking the connecting post (23) in the plug hole (130);
wherein the locking mechanism (3) comprises:
a locking pin (31) and an elastic element (32), the locking pin (31) being provided on the connecting post (23), and
a locking hole (133) provided in a wall of the plug hole (130), inside which the locking pin (31) is located when the connecting post (23) is inserted into the plug hole (130);
wherein the deck assembly (1) is further provided with an unlocking mechanism (4) for ejecting the locking pin (31) out of the locking hole (133); wherein the unlocking mechanism (4) comprises an unlocking element (41) that is connected to the deck assembly (1) in such a manner that is slidable along the radial direction of the plug hole (130) and extends to the locking hole (133); when the unlocking element (41) slides towards the plug hole (130), the unlocking element (41) abuts against the locking pin (31) and causes it to move outside the locking hole (133).

### Claim 2 (depends on 1)

The kick scooter according to claim 1, wherein the obtuse angle formed by the axial direction of the connecting post (23) with the axial direction of the stand column (22) is 120° to 150°, and the sharp angle formed by the axial direction of the plug hole (130) with the direction of extension of the deck assembly (1) is 30° to 60°.

### Claim 3 (depends on 2)

The kick scooter according to claim 2, wherein the obtuse angle formed by the axial direction of the connecting post (23) with the axial direction of the stand column (22) is 135°, and the sharp angle formed by the axial direction of the plug hole (130) with the direction of extension of the deck assembly (1) is 45°.

### Claim 4 (depends on 1)

The kick scooter according to claim 1, wherein there are two locking mechanisms (3) that are symmetrically provided on two sides of the connecting post (23) with the axial direction of the connecting post (23) being the symmetric axis; and wherein there is one locking hole (133) inside which one of the locking pins (31) is located when the connecting post (23) is inserted into the plug hole (130).

### Claim 5 (depends on 4)

The kick scooter according to claim 4, wherein the elastic elements (32) of the two locking mechanisms (3) are formed integrally;
wherein the two elastic elements (32) are connected to form a V shape, free ends of two arms of the V being connected respectively with the two locking pins (31) so as to provide an elastic force respectively to the two locking pins (31); or
the two elastic elements (32) are connected to form a U shape, free ends of two arms of the U being connected respectively with the two locking pins (31) so as to provide an elastic force respectively to the two locking pins (31); or
the two elastic elements (32) are connected to form a compression spring, the two ends of which are connected respectively with the two locking pins (31).

### Claim 6 (depends on 1)

The kick scooter according to claim 1, wherein the unlocking mechanism (4) further comprises an unlocking spring (42) that is arranged around the unlocking element (41) for providing an elastic force to make the unlocking element (41) move away from the locking pin (31).

### Claim 7 (depends on 1)

The kick scooter according to claim 1, wherein:
the locking mechanism (3) is provided at the plug hole (130) of the deck assembly (1);
locking holes (133) are provided on the connecting post (23);
a sliding slot (135) is provided on the wall of the plug hole (130);
the locking pin (31) of the locking mechanism (3) is provided in the sliding slot (135) in such a manner that it is slidable along the radial direction of the plug hole (130), and one end of the locking pin (31) extends to the plug hole (130) in a lock position;
an elastic element (32) is connected to the locking pin (31) for providing an elastic force to cause one end of the locking pin (31) to be located inside the locking hole (133); the other end of the locking pin (31) extends to the outer side of the deck assembly (1).

### Claim 8 (depends on 1)

The kick scooter according to claim 1, wherein the handlebar assembly (2), at the lower end thereof, and the deck assembly (1), at the bottom of the plug hole (130), comprise respective complementary shapes that are capable to engage each other for blocking the pivoting of the handlebar assembly (2) with respect to the plug hole (130), the respective complementary shapes includes a transverse rib or diametrically arranged blocks at the bottom of the plug hole, on which the handlebar assembly engages by means of a transverse groove, or a central prismatic block at the bottom of the plug hole, on which the handlebar assembly engages by means of a fitting corresponding cavity.

### Claim 9 (depends on 1)

The kick scooter according to claim 1, wherein a reinforcing rib (232) is provided at the junction between a connecting tube (24) and of the connecting post (23), the reinforcing rib (232) being connected with the locking protrusion (231).

### Claim 10 (depends on 1)

The kick scooter according to claim 1, wherein:
the deck assembly (1) has a front longitudinal end and a rear longitudinal end;
the transversal handlebar (21) has an axis;
one of the two sides of the plug hole (130) on which one locking slot (131) is provided is arranged toward the front longitudinal end of the deck assembly (1) and the other side of the plug hole (130) on which the other locking slot (131) is provided is arranged toward the rear longitudinal end of the deck assembly (1);
the locking protrusion (231) extends in a plane perpendicular to the axis of the transversal handlebar (21).

### Claim 11 (depends on 1)

The kick scooter according to claim 1, wherein:
said locking protrusion (231) is a first locking protrusion;
the connecting post (23) is provided with a second locking protrusion (231), the first locking protrusion (231) is inserted in said one of the locking slots (131) and the second locking protrusion (231) is inserted in said other of the locking slots (131) when the connecting post (23) is inserted in the plug hole (130) and locked therein by the locking mechanism (3).