Single handle rod based retractable handle assembly for wheeled luggage
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A45C-005/14
A45C-013/26
출원번호
US-0288422
(2002-11-06)
우선권정보
TW-0219239 (2001-11-08)
발명자
/ 주소
Lin, Jer Hong
Chang, Shih Yu
Kuo, Chung-Hsien
Lin, Chia Hsien
출원인 / 주소
Chaw Khong Technology Co., Ltd.
대리인 / 주소
Troxell Law Office PLLC
인용정보
피인용 횟수 :
7인용 특허 :
24
초록▼
A retractable handle assembly of luggage comprises a single handle rod extended upward from a center at a joining edge of a top and a rear of luggage and having an upper portion and a lower portion connected to the rear; and a handle grip extended at a predetermined range of angle about a horizontal
A retractable handle assembly of luggage comprises a single handle rod extended upward from a center at a joining edge of a top and a rear of luggage and having an upper portion and a lower portion connected to the rear; and a handle grip extended at a predetermined range of angle about a horizontal plane from a top of the handle rod toward a side of the luggage being perpendicular to the top or the rear of luggage in a stand-up position. An orientation of a hand holding the handle grip is parallel to a moving direction of the luggage being towed for facilitating an exertion of user's force thereon, thereby lowering a center of gravity of luggage for saving labor.
대표청구항▼
1. A retractable handle assembly of a luggage having wheels at both rear corners for moving the luggage, the handle assembly comprising:a single handle rod vertically extended upward from a center at a joining edge of a top and a rear of the luggage and having an upper portion and a lower portion co
1. A retractable handle assembly of a luggage having wheels at both rear corners for moving the luggage, the handle assembly comprising:a single handle rod vertically extended upward from a center at a joining edge of a top and a rear of the luggage and having an upper portion and a lower portion connected to the rear of the luggage; and a handle grip pivotally connected at an end thereof to the handle rod and pivotable in a predetermined equiangular range in a first plane perpendicular with the handle rod; wherein by orientation of a hand holding the handle grip is parallel to a moving direction of the luggage being towed for facilitating an exertion of user's force thereon, thereby lowering a center of gravity of the luggage for saving labor, wherein the handle grip is equiangularly pivotably extended from the top of the handle rod with respect to the first plane, wherein the handle grip is equiangularly pivotably extended with respect to a second plane, which is perpendicular to the first plane, wherein the handle grip further comprises a pivot mechanism, a horizontal push button link and a vertical push button link controlling the pivot mechanism, a circular tunnel above the pivot mechanism, a multi-sided post below the circular tunnel, and the pivot mechanism comprises an upper large square channel, a lower small square channel, and a peripheral trough around the small square channel. 2. The handle assembly of claim 1, wherein the handle grip consists of a first half section and a second half section, the first and second half sections having pivot ends, the pivot mechanism consists of a first half body and a second half body, a hook at free ends of the first and the second half sections of the handle grip, a push button opening at the free ends, each of the pivot ends of the first and the second half sections has a projected disc-shaped member, and further comprising two central grooves on the pivot ends of the first and the second half sections wherein a width of each of the grooves is the same as that of each of two communicating channels in the first and the second half sections, two second holes at centers of the pivot ends of the first and the second half sections respectively, first, second, and third through holes on a first of the two communicating channels, first, second, and third inner threaded bars on a second of the two communicating channels corresponding to the first, the second, and the third through holes, and a plate adjacent the push button opening, the first through hole, and the first inner threaded bar.3. A retractable handle assembly of a luggage having wheels at both rear corners for moving the luggage, the handle assembly comprising:a single handle rod vertically extended upward from a center at a joining edge of a top and a rear of the luggage and having an upper portion and a lower portion connected to the rear of the luggage; and a handle grip pivotally connected at an end thereof to the handle rod and pivotable in a predetermined equiangular range in a first plane perpendicular with the handle rod; wherein by orientation of a hand holding the handle grip is parallel to a moving direction of the luggage being towed for facilitating an exertion of user's force thereon, thereby lowering a center of gravity of the luggage for saving labor, wherein the handle assembly further comprises a horizontal push button link in the handle grip, a vertical push button link in a pivot end of the handle grip, a pivot mechanism in the pivot end of the handle grip controlled by the horizontal push button link and the vertical push button link, a sleeve on a lower end of the pivot mechanism, a first spring on a post having a small square section of the vertical push button link, a first sliding tube, a second sliding tube, a support tube, a first locking device, and a second locking device, wherein the vertical push button link in the pivot mechanism comprises a push button seat, a push button member on a top of the push button seat, a passage in the push button seat in communication with first holes at the pivot mechanism, a post having a large square section extended downward from the passage, a large peripheral flange in an intermediate portion, a post having a small square section extended downward from the large peripheral flange, a small peripheral flange at a bottom of the post having a small square section, a bore extended upward from a bottom of the small peripheral flange to a top of the post having a large square section, and the first spring put on the post having a small square section. 4. A retractable handle assembly of a luggage having wheels at both rear corners for moving the luggage, the handle assembly comprising:a single handle rod vertically extended upward from a center at a joining edge of a top and a rear of the luggage and having an upper portion and a lower portion connected to the rear of the luggage; and a handle grip pivotally connected at an end thereof to the handle rod and pivotable in a predetermined equiangular range in a first plane perpendicular with the handle rod; wherein by orientation of a hand holding the handle grip is parallel to a moving direction of the luggage being towed for facilitating an exertion of user's force thereon, thereby lowering a center of gravity of the luggage for saving labor, wherein the handle assembly further comprises a horizontal push button link in the handle grip, a vertical push button link in a pivot end of the handle grip, a pivot mechanism in the pivot end of the handle grip controlled by the horizontal push button link and the vertical push button link, a sleeve on a lower end of the pivot mechanism, a first spring on a post having a small square section of the vertical push button link, a first sliding tube, a second sliding tube, a support tube, a first locking device, and a second locking device, wherein the horizontal push button link in the pivot mechanism comprises a push button at a free end and a bifurcation member at the other end including two branches each having an end projection and a first elongate opening, a ridge at a joint of the branches, and a link body having two second elongate openings corresponding to inner threaded bars of the handle grip respectively. 5. A retractable handle assembly of a luggage having wheels at both rear corners for moving the luggage, the handle assembly comprising:a single handle rod vertically extended upward from a center at a joining edge of a too and a rear of the luggage and having an upper portion and a lower portion connected to the rear of the luggage; and a handle grip pivotally connected at an end thereof to the handle rod and pivotable in a predetermined equiangular range in a first plane perpendicular with the handle rod; wherein by orientation of a hand holding the handle grip is parallel to a moving direction of the luggage being towed for facilitating an exertion of user's force thereon, thereby lowering a center of gravity of the luggage for saving labor, wherein the handle grip is equiangularly pivotably extended from the top of the handle rod with respect to the first plane, wherein the handle grip is equiangularly pivotably extended with respect to a second plane, which is perpendicular to the first plane, wherein the handle assembly further comprises a horizontal push button link in the handle grip, a vertical push button link in a pivot end of the handle grip, a pivot mechanism in the pivot end of the handle grip, a sleeve on a lower end of the pivot mechanism, a first spring on a post having a small square section of the vertical push button link, a first sliding tube, a second sliding tube, a support tube, a first locking device, and a second locking device, wherein the sleeve comprises a large diameter section on a boss below the circular tunnel, a small diameter section extended from a bottom of the large diameter section, two opposite first apertures on a periphery of the large diameter section, two pins inserted through the first apertures to fasten the peripheral trough around the boss at the pivot mechanism, and a recess with a square section within the small diameter section, the recess having a width larger than that of the post having a small square section for receiving the post having a small square section, the section of the recess being the same in size as that of the small square channel and in communication therewith. 6. The handle assembly of claim 5, wherein the pivot mechanism consists of a first half body and a second half body each having a toothed section having a plurality of first teeth along an outer edge, a plurality of second teeth on an inner side of the toothed section, a tunnel consisting of a first half tunnel and a second half tunnel on the first and the second half bodies respectively together with the vertical push button link secured therein, two inner threaded bars at lower parts of the half tunnels respectively, the boss below the tunnel, the peripheral trough around the boss, two second apertures at both ends of the tunnel on the first and the second half bodies respectively, and a screw for fastening the first and the second half bodies together.7. A retractable handle assembly of a luggage having wheels at both rear corners for moving the luggage, the handle assembly comprising:a single handle rod extended upward from a center at a joining edge of a top and a rear of the luggage and having an upper portion and a lower portion connected to the rear; and a pivotal handle grip pivotally connected at an end thereof to the handle rod and pivotable in a plane parallel with the handle rod wherein a pivot equiangular position of the handle grip is variable with respect to the plane parallel to the handle rod is from 0 degree to 180 degrees; whereby an orientation of a hand holding the handle grip is parallel to the first plane direction of the luggage being towed for facilitating an exertion of force thereon, thereby lowering a center of gravity of the luggage for saving labor, the handle grip having a free end and a pivot end, the handle grip including a first half section and a second half section; a horizontal push button link in the handle grip and including a push button at a free end, a bifurcation member at the other end including two branches having two end projections and a ridge at a joint of the branches, and a first spring for urging the push button to return to its original uncompressed position; a rounded pivot mechanism at the pivot end of the handle grip, including a first half body and a second half body, and having a toothed section along a first outer edge having a plurality of first teeth and along a second outer edge having a pair of a plurality of second teeth; a vertical push button link secured between the first and the second half bodies of the rounded pivot mechanism and including a top push button member, a passage below the push button member, a post having a large square section extended downward from the passage, a large peripheral flange in an intermediate portion of large square section, a post having a small square section extended downward from the large peripheral flange, a small peripheral flange at a bottom of the post having a small square section, and a second spring put on the post having a small square section; a sleeve put on a lower end of the rounded pivot mechanism; a first sliding tube under the sleeve; a second sliding tube slidingly sleeved on the first sliding tube; a support tube with the second sliding tube slidingly received therein; a first locking device under the first sliding tube; and a second locking device under the second sliding tube; wherein in response to an outward pushing of the horizontal push button link, the ridge of the bifurcation member is disengaged from the first teeth and the end projections of the branches of the horizontal push button link are disengaged from the second teeth, whereby the handle grip is operative to pivot from a first position to a second position on a first plane with a pivot angle from 0 degree to 180 degrees. 8. The handle assembly of claim 7, wherein the push button member is pressed to pull the handle rod prior to locking so that the small peripheral flange at the bottom of the vertical push button link is moved to disengage from a bottom of a recess of the post having a small square section, the handle grip is operative to horizontally pivot from the first position to the second position on a second plane perpendicular to the plane parallel with the handle rod, and the pivot angle of the handle grip is from 0 degree to 180 degrees.
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이 특허에 인용된 특허 (24)
Chen, Shou-Mao, Adjustment structure of a hand grip of a pull rod.
Carpenter Lester E. (Middletown RI) Schmitt Wayne I. (Coventry RI) Snell Laurence (Attleboro MA) Bieber David (East Greenwich RI), Luggage with pull handle.
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