IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0702952
(2003-11-06)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
6 인용 특허 :
13 |
초록
▼
The present invention is a lightweight apparatus related generally to lifting heavy objects of construction materials by a single individual, such as panels of sheetrock to inside or outside walls, easily accommodating walls up to 12 feet in height, including angled walls. It is more particularly di
The present invention is a lightweight apparatus related generally to lifting heavy objects of construction materials by a single individual, such as panels of sheetrock to inside or outside walls, easily accommodating walls up to 12 feet in height, including angled walls. It is more particularly directed to raising panels of sheetrock to upper portions of a wall and holding the panel in place while an individual nails or screws the sheetrock to the wall studs. A triangular sling-like attachment secures a panel of drywall being lifted by turning the winch. Another attachment on the top section allows the apparatus to lean against the studded wall. The vertical panel lift allows the worker to handle with ease drywall panels that are 쩌", ⅜", 쩍" and ⅝ " thick, in addition to holding in place drywall panels as large as 54" wide and 16 feet long.
대표청구항
▼
I claim: 1. A panel lifting device, comprising: a cradle, said cradle having a plurality of support members, with a base support member defining an "L" shaped cross-section, wherein said cradle is triangular-shaped; an elongated frame member, said elongated frame member comprising a plurality of sl
I claim: 1. A panel lifting device, comprising: a cradle, said cradle having a plurality of support members, with a base support member defining an "L" shaped cross-section, wherein said cradle is triangular-shaped; an elongated frame member, said elongated frame member comprising a plurality of slidably-related segments, with one said segment of said plurality of slidably-related segments having a base member proximate a distal end, and wherein a plurality of height-adjustment apertures are defined in said plurality of slidably-related segments of said elongated frame member; a plurality of height-adjustment pins, each said pin removably secured through said height-adjustment apertures of said plurality of slidably-related segments; a winch, said winch secured to said elongated frame member; a pulley, said pulley carried by said elongated frame member; and a cable, said cable winded coiledly related to said winch, extending through said pulley, and removably affixed to said cradle. 2. The panel lifting device of claim 1, wherein said base member is swivelably carried by said elongated frame member. 3. The panel lifting device of claim 1, further comprising a clip, said clip carried by said elongated frame member. 4. The panel lifting device of claim 1, wherein said plurality of intermating segments is three. 5. The panel lifting device of claim 1, wherein said winch comprises an internal cable lock and one-way ratchet handle. 6. The panel lifting device of claim 1, wherein said winch is secured relative to said elongated frame member via a mounting bracket plate, a plurality of bolts, and a plurality of locking pins. 7. The panel lifting device of claim 6, further comprising a transport support member carried proximate said winch, wherein said transport support member is adapted to receive a locking pin therethrough and wherein said transport support member is adapted to receive at least one of said plurality of slidably-related segments of said elongated frame member and retain via said locking pin. 8. The panel lifting device of claim 1, further comprising a bar, said bar having an L-shape cross-section, and said bar removably carried proximate a proximal end of one said segment of said plurality of slidably-related segments at a position perpendicular thereto. 9. The panel lifting device of claim 1, further comprising a cable retaining clip carried by said elongated frame member proximate said pulley, and a bolt, said bolt extending through said elongated frame member and rotationally supporting said pulley. 10. The panel lifting device of claim 1, wherein said triangular cradle defines a right triangle, wherein said base frame support member is secured to each second and third frame support member via a carriage bolt, wherein said second and third frame support members are secured via a threaded connecting ring member, and wherein said cable carries a rope thimble, cable nut, and ring, said ring removably secured to said threaded connecting ring member. 11. A panel lifting device, comprising: a cradle, said cradle having a plurality of support members, with a base support member defining an "L" shaped cross-section; an elongated frame member, said elongated frame member comprising a plurality of slidably-related segments, with one said segment of said plurality of slidably-related segments having a base member proximate a distal end, and wherein a plurality of height-adjustment apertures are defined in said plurality of slidably-related segments of said elongated frame member; a plurality of height-adjustment pins, each said pin removably secured through said height-adjustment apertures of said plurality of slidably-related segments; a winch, said winch secured to said elongated frame member; a pulley, said pulley carried by said elongated frame member; a cable, said cable winded coiledly related to said winch, extending through said pulley, and removably affixed to said cradle; and a bar, said bar having an L-shape cross-section, and said bar removably carried proximate a proximal end of one said segment of said plurality of slidably-related segments at a position perpendicular thereto, wherein said bar further comprises a dual-flange mount with two central pin receiving apertures defined therein, said dual-flange mount carried proximate a midpoint of said bar, wherein said proximal end of said one segment of said plurality of slidably related segments further comprises two pin receiving apertures, and further comprising a locking pin adapted to extend therethrough.
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