Patent ID: 11897570
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 5:
6. The bicycle assembly of claim 4, further comprising:
a. a fifth tubular member comprising a first interface portion and a second interface portion;
b. a sixth tubular member comprising a first interface portion and a second interface portion;
c. a seventh tubular member comprising a first interface portion and a second interface portion;
d. an eight tubular member comprising a first interface portion and a second interface portion;
e. a third partial tube member comprising a first external interface portion and a first internal interface portion;
f. a fourth partial tube member comprising a first external interface portion and a first internal interface portion;
g. a first structural connector member comprising a first interior interface portion and a second interior interface portion;
h. a second structural connector member comprising a first interior interface portion and a second interior interface portion;
wherein the fifth tubular member is engaged through the first exterior interface portion of one of the first partial tube member and the third partial tube member;
wherein the first interface portion of the fifth tubular member is friction stir welded to one of the first internal interface portion of the first partial tube member and the first internal interface portion of the third partial tube member;
wherein the fifth tubular member is engaged with the first structural connector member;
wherein the second interface portion of the fifth tubular member is friction stir welded to the first interior interface portion of the first structural connector member;
wherein the sixth tubular member is engaged through the first exterior interface portion of one of the first partial tube member and the third partial tube member;
wherein the first interface portion of the sixth tubular member is friction stir welded to one of the first internal interface portion of the first partial tube member and the first internal interface portion of the third partial tube member;
wherein the sixth tubular member is engaged with the second structural connector member;
wherein the second interface portion of the sixth tubular member is friction stir welded to the first interior interface portion of the second structural connector member;
wherein the seventh tubular member is engaged through the first exterior interface portion of the fourth partial tube member;
wherein the first interface portion of the seventh tubular member is friction stir welded the first internal interface portion of the fourth partial tube member;
wherein the seventh tubular member is engaged with the first structural connector member;
wherein the second interface portion of the seventh tubular member is friction stir welded to the second interior interface portion of the first structural connector member;
wherein the eighth tubular member is engaged through the first exterior interface portion of the fourth partial tube member;
wherein the first interface portion of the eighth tubular member is friction stir welded the first internal interface portion of the fourth partial tube member;
wherein the eighth tubular member is engaged with the second structural connector member; and
wherein the second interface portion of the eighth tubular member is friction stir welded to the second interior interface portion of the second structural connector member.