US 10,589,815 B2Granted

Transformable Bicycle

AssigneeByongnam Kang

InventorsByongnam Kang, Jongsuk Kim, Darea Kang, Morae Kang

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Abstract

The present invention provides a transformable bicycle. The transformable bicycle including: a pair of front fork members which are connected to a front wheel, and which are arranged with the front wheel interposed therebetween; a head tube which is connected a fork support bar; a frame which is coupled to the head tube, and which is connected such that the head tube is rotatable around a bolt pin; a fastening device which is connected to the head tube; another fastening device which is installed with the fastening device and a spring interposed therebetween; a fastening device handle which allows the front fork members to be folded toward the frame in such a manner that the fastening device handle rotates the head tube connected to the fastening devices around the bolt pin by pulling the fastening devices during rotation around pins; a seat; and a rear wheel.

Claims3

Dependent claims

A transformable bicycle capable of being transformed into a cart through folding, the transformable bicycle comprising:

a pair of front fork members (1 and 1′) lower ends of which are connected to a front wheel (20) by fork support bars (2 and 2′), upper ends of which are connected by another fork support bar (3), and which are arranged with the front wheel (20) interposed therebetween;
a head tube (8) which is connected the fork support bar (3) by a head tube shaft (6);
a frame (9) which has a hole (9c′) into which the head tube (8) is fitted, which is coupled to the head tube (8) by a bolt pin (29), and which is connected such that the head tube (8) is rotatable around the bolt pin (29);
a fastening device (11) which is located at an upper end of the frame (9), and which is connected to the head tube (8);
another fastening device (13) which is installed with the fastening device (11) and a spring (12) interposed therebetween;
a fastening device handle (14) which is connected to the fastening device (13) by a pin (13′), both sides of which are coupled to the frame (9) by pins (14′ and 14′a), and which allows the front fork members (1 and 1′) to be folded toward the frame (9) in such a manner that the fastening device handle (14) rotates the head tube (8) connected to the fastening devices (11 and 13) around the bolt pin (29) by pulling the fastening devices (11 and 13) during rotation around the pins (14′ and 14′a);
a seat (15) which is supported on the frame (9) by a seat fastening device (16);
and
a rear wheel (21) which is connected to and installed on a back of the frame (9).

6 more elements

A transformable bicycle capable of being transformed into a cart through folding, the transformable bicycle comprising:

a pair of front fork members (101 and 101′) lower ends of which are connected to a front wheel (120) by fork support bars (102), upper ends of which are connected by another fork support bar (103), and which are arranged with the front wheel (120) interposed therebetween;
handlebars (110 and 110′) which are provided at upper ends of the front fork members;
a head tube (108) which is connected to the fork support bar (103) by a head tube shaft (106);
a frame (109) which has a hole (109c′) into which the head tube (108) is fitted, which is coupled to the head tube (108) by a fastening bolt (17), and which is connected such that the head tube (108) is rotatable around the fastening bolt (17);
head tube locking slots (108b′ and 108d′) which are formed at upper and lower locations of one side surface of the head tube (108), respectively;
a frame locking slot (109b) which is formed in one side of the frame (109), and which is selectively connected to the head tube locking slots (108b′ and 108d′) in response to a rotation operation of the head tube (108);
a fastening device handle (114) which is coupled to the frame (109) by a pin, and which is rotated around the pin;
a handle stopper (114c) which is formed to protrude from a lower end of the fastening device handle (114), which is fitted into head tube locking slots (108b′ and 108d′) which are selectively connected to the frame locking slot (109b) and the frame locking slot (109b), and which fastens the head tube (108) to the frame (109);
a spring (112) which elastically connects the fastening device handle (114) and the frame (109) to each other;
a seat (115) which is supported on the frame (109) by a seat fastening device (116);
and
a rear wheel which is connected to and installed on a back of the frame (109).

9 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/344,994Filed 26 Oct 2017
Priority: KR 10-2016-014137626 Oct 2016
Published: US 2019/0270492 A15 Sep 2019
Granted: 17 Mar 2020
Term ends: Not estimatedThe source records don’t support an estimate.

Classification23 codes

B62K 13/08
Cycles convertible to, or transformable into, other types of cycles or land vehicle: frames
B62B 3/02
Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor: involving parts being adjustable,…
B62B 7/12
Having more than one wheel axis; Steering devices therefor: convertible, e.g. into children's furniture or toy
B62J 1/08
Saddles or other seats for cycles; Arrangement thereof; Component parts: frames for saddles; Connections between saddle frames and seat pillars;…