Francis Y Ying

US Patent:

20080303243, Dec 11, 2008

Filed:

Jun 8, 2007

Appl. No.:

11/811006

Inventors:

Francis Ying - Walnut CA, US

International Classification:

B62K 15/00

US Classification:

280287

Abstract:

Collapsible bicycle frame with an elongate tubular rigid seat post holding member, an elongate tubular rigid front fork holding member and an elongate tubular first rear fork and crank holding member. A slidable clevis joint holding the rear fork holding member to the front fork holding member. A clevis joint holds the seat post holding member to the front fork holding member. A clevis joint holds the lower end of the seat post holding member to a second rear fork member. The first rear fork holding member includes a standard crank holding aperture. The front fork holding member terminates at its top most point in a standard handle bar receiving aperture. The seat post holding member includes a lockable tubular extension member that can slidably retain a standard bicycle seat post.