Portable wheeled backpack

摘要

In one embodiment of the invention, a multiple mode portable wheeled backpack includes: a backpack section and an extended trailing section that is removably coupled to the backpack section, wherein the extended trailing section includes a plurality of wheels.

主权项

1. A multiple mode portable wheeled backpack comprising:
a backpack section; and an extended trailing section that is removably coupled by a quick coupler to the backpack section; wherein the extended trailing section includes a plurality of wheels; wherein the quick coupler comprises: an outer shell that can be twisted with respect to a Y axis; wherein the outer shell comprises an inner wall, a first catch, a second catch, a first spring that connects the first catch to the inner wall, and a second spring that connects the second catch to the inner wall; a shaft comprising a beveled top portion, a lower portion, and an indentation between the beveled top portion and the lower portion of the shaft; wherein the outer shell comprises a bottom for receiving the shaft; wherein the beveled top portion is inserted through the bottom of the outer shell and inserted between the first catch and second catch; wherein the first catch and second catch are configured to insert into and to lock into the indentation so that the shaft is securely locked with the outer shell; a first L-shaped member coupled to the inner wall; a second L-shaped member coupled to the inner wall; a first roller coupled to the first catch; and a second roller coupled to the second catch; wherein the outer shell is configured to be twisted in a direction with respect to the Y axis so as to cause the L-shaped members to also rotate in the direction with respect to the Y axis and so as to cause the first L-shaped member to contact the first roller and push back the first catch against the inner wall and against a first force of the first spring and so as to cause the second L-shaped member to contact the second roller and push back the second catch against the inner wall and against a second force of the second spring.