|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||114/102 ; 114/39|
|발명자 / 주소|
|인용정보||피인용 횟수 : 10 인용 특허 : 0|
An apparatus for rotatably mounting a sail on racing yachts, sailboats and sailsleds, which includes a step adapted to be mounted on the hull of the craft, a boom, rigging connecting the sail to the boom, adapted to enable setting of the sail-to-boom orientation, and means for connecting the boom to the step so that the boom, sail and rigging are substantially freely rotatable about the step, and so that the orientation of the sail is maintained at a substantially constant angle with respect to the direction of the shifting apparent wind, to enable the s...
An apparatus for mounting sails on a racing yacht, which comprises: a. a step, adapted to be mounted on the hull of the racing yacht; b. an elongated unitary boom; c. rigging, connecting the sails to the boom; and d. means for connecting the boom, intermediate its ends, parallel to and spaced from the hull, with no means other than the step connecting the boom to the hull, whereby the boom, sails and rigging are substantially freely rotatable as a unit about the step and relative to and unconnected to the hull, and so that the boom, sails and rigging wil...