|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B60B-023/00 B60B-027/02 B60B-027/06 B60B-037/00 A45G-013/00|
|미국특허분류(USC)||301/111 ; 301/125 ; 190/018A|
|발명자 / 주소|
|인용정보||피인용 횟수 : 3 인용 특허 : 13|
A wheel support device has a triangular longitudinal casing, a triangular transverse casing, a convex housing, and a colored triangular plate. The convex housing has a through hole. The triangular longitudinal casing has a groove, a circular hole, and two round apertures. The colored triangular plate is inserted in the groove of the triangular longitudinal casing. The colored triangular plate has a post inserted in the circular hole of the triangular longitudinal casing and two columns inserted in the round apertures of the triangular longitudinal casing...
[ I claim:] [1.]1. A wheel support device having a substantially L-shaped housing that includes a triangular longitudinal portion, a triangular transverse portion, and a convex wheel housing portion integrally formed at an intersection of the longitudinal portion and the transverse portion, the convex wheel housing portion having a through hole, a wheel disposed in the convex wheel housing portion, the wheel having a center hole, a pivot shaft for rotatably fastening the wheel to the convex wheel housing portion by insertion into the through hole of the ...