System for preparing pre-assembled hanger supports
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B21D-039/00
B23P-011/00
출원번호
US-0537688
(2009-08-07)
등록번호
US-8782864
(2014-07-22)
발명자
/ 주소
Adams, Richard C.
출원인 / 주소
Adams, Richard C.
대리인 / 주소
Thorpe North & Western LLP
인용정보
피인용 횟수 :
1인용 특허 :
20
초록▼
A system for preparing a pre-assembled hanger support. The system includes a bending tool operable to form a bight in the distal end of a structural wire, the bight having a transverse tail extending away from the shaft of the structural wire. The system also includes a wrapping tool having a drive
A system for preparing a pre-assembled hanger support. The system includes a bending tool operable to form a bight in the distal end of a structural wire, the bight having a transverse tail extending away from the shaft of the structural wire. The system also includes a wrapping tool having a drive rotor with a clip attachment interface that removably supports a hanger clip and provides selective rotation of the hanger clip and the structural wire, a wire support brace that supports the shaft of the structural wire in substantial alignment with the axis of rotation of the drive rotor, and a tail stop positioned to restrain the rotation of the transverse tail. The hanger clip is supported about the structural wire and positioned within the bight, and together the hanger clip and structural wire are installed onto the clip attachment interface, so that selective rotation of the drive rotor rotates the hanger clip and shaft of the structural wire causing the restrained transverse tail to wrap around the shaft and secure the hanger clip within an eyelet formed in the structural wire, thereby forming the pre-assembled hanger support.
대표청구항▼
1. A system for preparing a pre-assembled hanger support, comprising: a bending tool operable to form a bight in a distal end of a structural wire, the bight having a transverse tail extending away from a shaft of the structural wire; anda wrapping tool comprising: a drive rotor having a clip attach
1. A system for preparing a pre-assembled hanger support, comprising: a bending tool operable to form a bight in a distal end of a structural wire, the bight having a transverse tail extending away from a shaft of the structural wire; anda wrapping tool comprising: a drive rotor having a clip attachment interface that removably supports a hanger clip, and that provides selective rotation of the hanger clip which imparts rotation to the structural wire;a wire support brace that supports the shaft of the structural wire in substantial co-axial alignment with an axis of rotation of the drive rotor; anda tail stop positioned to restrain rotation of the transverse tail,wherein the hanger clip is supported about the structural wire and positioned within the bight, andwherein the clip attachment interface includes a T-bar extending through a portion of the hanger clip through which the structural wire also extends, wherein rotation of the drive rotor rotates the hanger clip and shaft of the structural wire while maintaining the co-axial alignment, thereby causing the restrained transverse tail to wrap around the shaft and secure the hanger clip within an eyelet formed in the structural wire to form a pre-assembled hanger support. 2. The system of claim 1, further comprising a portable bench system incorporating the bending tool and the wrapping tool for fastening the structural wire to the hanger clip on-site and prior to installing the hanger support into a ceiling structure. 3. The system of claim 1, wherein the bending tool comprises: a combination die comprising: a bight die having a bulbous end extending forward from a cross-piece for forming a substantially U-shaped bight in the end of the structural wire; anda tail die extending upward from a central portion of the combination die for forming a partial reverse bend extending away from the shaft in a free end of the bight; anda hinge plate comprising: a die press extending perpendicular from the hinge plate;a hinge located forward from the bight die; andwherein the hinge plate rotates on the hinge causing structural wire to bend about the bight die and subsequently engage an end portion of the structural wire between the die press and the combination die at a point between the bight die and the tail die thus creating a bight and a transverse tail which extends away from the shaft of the structural wire. 4. The system of claim 3, wherein the bight die and tail die are formed of two substantially planar plates being connected and substantially orthogonal one to another. 5. The system of claim 1, wherein the bending tool further comprises a wire stop for locating and indexing the structural wire in the bending tool to provide a transverse tail of predetermined length. 6. The system of claim 5, wherein the tail stop is configured to restrain the transverse tail of predetermined length for at least three rotations of the drive rotor to form a rigid knot having at least three turns about the shaft of the structural wire. 7. The system of claim 1, wherein the transverse tail is bent at an angle extending away from the shaft of the structural wire between about 70degrees and 110degrees relative to the shaft. 8. The system of claim 7, wherein the transverse tail is bent at an angle extending away from the shaft of the structural wire between about 80degrees and 100degrees relative to the shaft. 9. The system of claim 1, wherein the T-bar extends radially from a tip of the drive rotor. 10. The system of claim 9, wherein the clip attachment interface further comprises a side support surface affixed to the drive rotor, being spaced a distance from the end of the drive rotor for laterally supporting the hanger clip in a fixed position relative to the drive rotor. 11. The system of claim 10, wherein the side support surface is a disk extending radially from the drive rotor and adjacent the T-bar. 12. The system of claim 1, wherein a plane of a contact face of the tail stop is offset from the axis of rotation of the drive rotor between about 1× and 2× of a diameter of the structural wire, to align the transverse tail with the shaft to form a tight coil wrap without twisting of the shaft. 13. A system for preparing a pre-assembled hanger support that facilitates suspension of a frame of a dropped ceiling, the system comprising: a hanger clip;a structural wire forming a bight having a transverse tail extending away from a shaft of the structural wire, the structural wire passing through an opening of the hanger clip, the hanger clip being positioned within the bight of the structural wire;a tail stop being spaced away from the shaft of the structural wire, the tail stop having a planar contact face for restraining the transverse tail of the bight, wherein the tail stop further comprises a capture bar configured to prevent the transverse tail of the structural wire from slipping off the planar contact face; anda driveshaft having a clip interface for rotating the hanger clip and therefore the shaft of the structural wire, wherein the clip interface comprises a T-bar which engages the hanger clip though the same opening as the structural wire, wherein rotation of the driveshaft imparts rotation to the hanger clip which further imparts rotation to the structural wire, wherein the transverse tail is drawn toward and wrapped around the shaft to form an eyelet in which the hanger clip is secured. 14. The system of claim 13, further comprising wire support brace for supporting the shaft of the structural wire in substantial alignment with an axis of rotation of the drive rotor during rotation of the shaft. 15. A system for preparing a pre-assembled hanger support, comprising: a bending tool further comprising; a combination die further comprising; a bight die with a bulbous end extending forward from a crosspiece for forming a substantially U-shaped bight in an end of a structural wire; anda tail die extending upward from a central portion of the combination die for forming a partial reverse bend extending away from a shaft of the structural wire and terminating in a free end of the structural wire;a hinge plate further comprising; a die press extending perpendicular from the hinge plate;a hinge located forward from the bight die; andwherein the hinge plate rotates on the hinge causing structural wire to bend about the bight die and subsequently engage an end portion of the structural wire between the die press and the combination die at a point between the bight die and the tail die thus creating a bight in a distal end of the structural wire and a transverse tail wherein the transverse tail extends substantially perpendicularly away from the shaft of the structural wire; anda wrapping tool further comprising; a wire support brace that supports the shaft of the structural wire;a tail stop positioned to restrain rotation of the transverse tail;wherein the structural wire extends through an opening of the hanger clip and the hanger clip is supported within the bight of the structural wire; anda drive rotor having a clip attachment interface that removably supports a hanger clip, wherein the clip attachment interface includes a T-bar configured to extend through the same opening of the hanger clip through which the structural wire also extends, wherein rotation of the drive rotor rotates the hanger clip and thereby the shaft of the structural wire while maintaining co-axial alignment, thereby causing the restrained transverse tail to wrap around the shaft and secure the hanger clip within an eyelet formed in the structural wire to form a pre-assembled hanger support. 16. The system for preparing a pre-assembled hanger support of claim 15, wherein the tail stop comprises a plate having a planar contact face aligned such that the plane of the planar contact face is aligned tangentially at a distance substantially 1.5 times the diameter of the structural wire.
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이 특허에 인용된 특허 (20)
Conrad James R. (1631 Grandview Glendale CA 91201), Apparatus for twist-tying ceiling hangers from joists.
Wolford ; Jr. Otis (1105 N. Meadow La. Mt. Prospect IL 60056) Wolford Richard P. (55 Payson Ct. Hoffman Estates IL 60194), Tool for wrapping drop wires for suspended grid ceiling.
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