|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||B60B-039/00 B25J-005/00 B63B-009/00 B62D-051/06|
|미국특허분류(USC)||180/164 ; 180/901 ; 182/142 ; 187/239 ; 187/245 ; 114/222|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 118 인용 특허 : 0|
A vacuum wall walking apparatus includes an annular body frame, a plurality of leg mechanisms extending downward from the body frame, and a plurality of suction cups attached to fore ends of the respective legs. The body frame is composed of a flexible member. The body frame thus constructed is bendable to conform to the profile of a curved surface when the vacuum wall walking apparatus is used with a wall having such curved surface. With this bending or deformation of the body frame, the suction cups are always able to retain an optimum posture to insur...
[ What is claimed is:] [1.] A vacuum wall walking apparatus comprising:(a) a support frame defining an inner opening, wherein the support frame includes at least one flexible member arranged in a generally rectangular configuration, wherein said flexible member is composed of plurality of hollow elements connected together at opposite ends by a plurality of connecting fittings so as to jointly form an annular shape;(b) a plurality of leg mechanisms mounted on the support frame;(c) a plurality of suction cups attached to fore ends of the respective leg me...