[특허]Wheeled pool vacuum head with vacuum enhancing seal

Wheeled pool vacuum head with vacuum enhancing seal 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E04H-003/20
출원번호	US-0141206 (1988-01-06)
발명자 / 주소	Hugo Donald G. (Palm Springs CA)
출원인 / 주소	Rainbow Lifegard Products, Inc. (El Monte CA 02)
인용정보	피인용 횟수 : 27 인용 특허 : 0

초록 ▼

A vacuum cleaner head, for use in cleaning submerged surfaces of swimming pools, has a body the lower surface of which is supported a selected distance above a support surface, such as a pool floor, by wheels carried by the body. Resilient seal means depend from the body along front and rear edges thereof into close cooperation with the support surface to define essentially sealed side walls of a chamber which has the support surface as its bottom and the body lower surface as its top. The chamber is open at its ends which are generally at the ends of the head body. A water suction port is provided through the body from the chamber between the chamber ends; the port is connectible to a water suction hose. When the cleaner head is in use, water flows into the chamber essentially only through the open ends of the chamber and then to the suction port. The cleaning effectiveness of such water flow on the pool surfaces is of increased uniformity so all portions of the pool surface traversed by the chamber, as the head is moved on the pool surface, are cleaned substantially equally well.

대표청구항 ▼

A flexible vacuum head for use in cleaning the submerged surfaces of swimming pools and the like which includes: an elongate unitary flexible body having a substantially flat bottom surface when the body is disposed on a flat supporting surface and lengthwise front and rear edges spaced along a width of the body, the body bottom surface extending continuously without interruption between opposite ends of the body spaced along the length of the body, the body being defined for flexing along a line in a lengthwise direction transverse to its width but not significantly along a line in a widthwise direction transverse to its length; a plurality of wheels carried by the body forwardly of the front and rearwardly of the rear body edges for supporting the body bottom surface a selected distance above a support surface in substantially parallel relation of the body bottom surface to the support surface; suction port through the body substantially centrally of the length and width thereof including means carried on an upper surface of the body for connecting a pool water suction line to the port means; and flexible liquid flow seal means carried by the body and extending essentially said selected distance below the body bottom surface for close, substantially sealing cooperation with a support surface engaged by the wheels, the seal means being present along substantially the entire lengthwise extent of the body adjacent the front and rear edges of the body for defining between the support surface and the body an elongate chamber which is essentially closed along its sides and top, to which the suction port means opens, and which is open at its ends, the chamber being of substantially constant transverse area and configuration along the length thereof at and between its open ends; whereby in use of the vacuum head the flow of water into the chamber is at least predominantly through the open ends of the chamber and thence at substantially constant velocity along the chamber to the port means.

이 특허를 인용한 특허 (27)

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Russo William V. (2624 Mayfield Ave. La Crescenta CA 91214), Swimming pool cleaning apparatus.
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Fischmann, Fernando Benjamin, System and method for maintaining water quality in large water bodies.
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Fischmann T., Fernando, System for providing high microbiological quality cooling water to an industrial processes.
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Kumar, Satheesh; Maurya, Om Prakash; Sanwal, Narender, Two-wheel actuator steering system and method for pool cleaner.
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Resh, Eric V., Vacuum head and hose apparatus and related methods.
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A	생활필수품
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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Wheeled pool vacuum head with vacuum enhancing seal 원문보기

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