|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||16/030 ; 248/223.41 ; 403/022|
|발명자 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 25 인용 특허 : 4|
An insert adapted to be positioned within an elongated channel member having a base portion and a pair of parallel sides, with the sides terminating in internally curled edges defining an open side forming a C-shaped channel, the insert having a width to be conformably received in said channel member either for longitudinal movement therein or to be positioned therein to receive the shank or axle of a caster or wheel, respectively. The insert may be either square in cross section and generally rectangular in shape or generally cylindrical with a pair of ...
[ I claim:] [1.] In combination with an elongated channel member having a generally C-shape in cross section and provided with a base portion and a pair of generally parallel sides terminating in inwardly curled edges defining an elongated open side, an insert adapted to be positioned within the channel member, said insert including an elongated body having a portion projecting outwardly of the channel member and of a width to be conformably received within the channel member, said insert having a pair of oppositely disposed parallel grooves receiving th...