ROLLER ASSEMBLY AND VACUUM CLEANER COMPRISING SAME

• Main Authors: KANG SUNG WOOK, MOON JONG WON, KIM TAE GWANG, HA DONG WOO, SEO BONG GYO, KIM YEON SU, KWON KI HWAN, PARK JOONG KYUNG
• Format: Patent
• Language: English; Korean
• Published: 14.05.2024
• Subjects: AXLES FOR WHEELS OR CASTORS; CASTORS; COFFEE MILLS; DOMESTIC ARTICLES OR APPLIANCES; DOMESTIC WASHING OR CLEANING; FURNITURE; HUMAN NECESSITIES; INCREASING WHEEL ADHESION; PERFORMING OPERATIONS; SPICE MILLS; SUCTION CLEANERS IN GENERAL; TRANSPORTING; VEHICLE WHEELS; VEHICLES IN GENERAL

일 예시에 따른 롤러 조립체는 축, 상기 축의 일측 단부를 고정하는 제1지지체, 상기 축의 타측 단부를 고정하는 제2지지체, 및 상기 제1지지체 및 상기 제2지지체 사이에 위치하고, 상기 축이 삽입되어 회전 가능하게 지지되는 원통 형상으로 구비되는 롤러를 포함하며, 상기 제1지지체 및 상기 제2지지체는 각각 대면하는 상기 롤러의 측면으로 돌출되어, 상기 롤러의 외주 내측에 삽입되는 돌출부를 구비하고, 상기 롤러는 양 측면에 소정의 유격을 두고 상기 돌출부를 수용하는 수용홈을 구비할 수 있다. A roller assembly according to one embodiment comprises: a shaft; a first support to which one end of the shaft can be coupled; a second support to which the other end of the shaft can be coupled; and a roller, which can be coupled between the first support and the second support, has a cylindrical shape enabling insertion of the shaft and is rotatably supported by the shaft, wherein each of the first support and the second support includes a protrusion protruding toward the sides of the roller, the protrusions of the first support and the second support protrude from the first support and the second support, respectively, and can be inserted into the outer periphery of the roller, and the roller includes accommodation grooves on both sides thereof, and thus can accommodate, with a predetermined gap therebetween, each of the protrusions of the first support and the second support.