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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||405/003; 114/044; 280/414.1|
|발명자 / 주소||
|출원인 / 주소||
|대리인 / 주소||
|인용정보||피인용 횟수 : 2 인용 특허 : 6|
An adjustable lift, such as a boat lift, or an adjustable apparatus mountable to a boat lift, comprising a frame supporting a keyway, a shaft and a screw along which a hub assembly travels. An axle may extend from the hub assembly and support a wheel, such that translation of the hub assembly along screw raises and lowers the wheel with respect to the frame members of the lift. In this way, the lift may be rolled into place, with its wheels then raised, so that frame members and/or feet of the lift rest on a lake bed or other surface. When wanting to mov...
1. An apparatus for adjusting the height of a wheel relative to a member, comprising: a frame having a base, a first support extending from said base and a second support extending from said base and spaced from said first support;a screw extending between said first and second supports, said screw rotatable within said first and second supports, said screw having an end with torque transmitting surfaces for rotating said screw;a hub assembly movable between said first and second supports, said hub assembly threadingly engaged with said screw; andan axle...