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US 10,472,016 B2Granted
Bicycle frame and manufacturing method thereof
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsJungnam Choi, Sung Dae Lim
Life of this patent
Estimating the term…
Abstract
The present disclosure provides a bicycle frame including: a main frame; a support bracket formed separately from the main frame and bonded to a lower end portion of the main frame, and a motor mounting having a motor mounting portion configured to mount a motor therein, wherein the motor mounting bracket is formed separately from the support bracket, and is bonded to the support bracket.
Claims12
A bicycle frame comprising:
- a main frame;
- a support bracket, wherein the support bracket is formed separately from the main frame and is bonded to a lower end portion of the main frame;
- and
- a motor mounting bracket having a motor mounting portion configured to mount a motor therein, wherein the motor mounting bracket is formed separately from the support bracket and is bonded to the support bracket,
- wherein the main frame is formed by bonding a pair of side panels in a predetermined shape through stamping,
- wherein the main frame comprises a plurality of tube bodies, and an insertion hole is formed at a lower end portion of the tube body,
- wherein the support bracket comprises an insertion portion that is capable of inserting into the insertion hole of the tube body and bonded along a circumference of the insertion hole,
- wherein a welding groove is configured to form in the insertion portion of the support bracket along a circumference of the support bracket and to weld to an entry of the insertion hole of the tube body, and
- wherein a predetermined gap is formed between an inner circumference of the insertion hole and an outer circumference of the insertion portion.
6 more elements
A manufacturing method of a bicycle frame comprising the steps of:
- (a) providing a main frame, wherein the main frame forms a plurality of tube bodies and has an insertion hole at a lower end portion of the tube body;
- (b) providing a support bracket, wherein the support bracket comprises an insertion portion that is capable of inserting into the insertion hole of the main frame;
- (c) providing a motor mounting bracket having a motor mounting portion configured to mount a motor therein;
- (d) bonding the support bracket and the motor mounting bracket;
- and
- (e) inserting the insertion portion of the support bracket into the insertion hole of the main frame and bonding the entry of the insertion hole and the insertion portion,
- wherein the step (b) comprises forming a welding groove in the insertion portion of the support bracket along a circumference of the support bracket, and
- wherein the step (e) comprises forming a predetermined gap between an inner circumference of the insertion hole and an outer circumference of the insertion portion, and bonding an entry of the insertion hole of the tube body and the welding groove.
5 more elements
Dependencies are inferred from the claim text.