Folding mechanism for supporting table machine
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62B-001/12
F16M-011/42
출원번호
US-0187945
(2014-02-24)
등록번호
US-9156486
(2015-10-13)
우선권정보
TW-103100541 A (2014-01-07)
발명자
/ 주소
Liu, Chia-Sheng
출원인 / 주소
DURQ MACHINERY CORP.
대리인 / 주소
Muncy, Geissler, Olds & Lowe P.C.
인용정보
피인용 횟수 :
2인용 특허 :
3
초록▼
A folding mechanism operatable between an extended position and a received position is disclosed to include a rack for supporting thereon a table machine, a pair of first legs and a pair of second legs respectively pivoted to the rack for supporting the rack above the floor, two first links respecti
A folding mechanism operatable between an extended position and a received position is disclosed to include a rack for supporting thereon a table machine, a pair of first legs and a pair of second legs respectively pivoted to the rack for supporting the rack above the floor, two first links respectively pivoted to the rack, two sliding units slidably and respectively sleeved onto the first legs and pivotally and respectively connected with the first links, and two second links respectively pivoted to the sliding units and the second legs. The first and second links and the sliding units are moved with the second legs toward the first legs upon folding the folding mechanism from the extended position to the received position, and at the same time the sliding units are slid along the first legs, assuring safety and stability of the folding action.
대표청구항▼
1. A folding mechanism for supporting thereon a table machine, the folding mechanism being alternatively settable between an extended position and a received position, the folding mechanism comprising: a rack for mounting of the table machine, the rack having a front end, a rear end, and a pair of f
1. A folding mechanism for supporting thereon a table machine, the folding mechanism being alternatively settable between an extended position and a received position, the folding mechanism comprising: a rack for mounting of the table machine, the rack having a front end, a rear end, and a pair of first pivot points, a pair of second pivot points and a pair of third pivot points, which are orderly and spacedly arranged between the front end and the rear end;a pair of first legs each having a first end pivoted to one of the first pivot points of the rack, and a second end configured having a bearing portion and a stop portion for supporting on a floor;a pair of second legs each having a first end pivoted to one of the second pivot points of the rack, and a second end rotatably mounted with a wheel;a pair of first links each having a first end pivoted to one of the third pivot points of the rack, and a second end;a pair of sliding units each slidably sleeved onto one of the first legs and provided with a first pivot point pivotally connected with the second end of one of the first links, and a second pivot point; anda pair of second links each having a first end pivoted to the second pivot point of one of the sliding units, and a second end pivoted to one of the second legs;wherein when the folding mechanism is set in the extended position, the first legs and the second legs are kept in a crossed manner to hold the rack in a horizontal posture substantially; when the folding mechanism is moved from the extended position toward the received position, the first and second links and the sliding units are moved with the second legs toward the second ends of the first legs; when the folding mechanism is set in the received position, the wheels are kept adjacent to the bearing portions of the first legs and the rack is kept in a vertical posture substantially,wherein each of the sliding units comprises a main body and a pivot portion protruding outwardly from the main body; the main body is provided with a receiving space through which one of the first legs is inserted, and a contact surface configured matching the one of the first legs; the pivot portion is provided with said first and second pivot points of the sliding unit; andwherein the first and second pivot points of each of the sliding units are coaxially aligned with each other. 2. The folding mechanism as claimed in claim 1, wherein each of the first links defines with the associated first leg a 90° contained angle when the folding mechanism is in the extended position. 3. The folding mechanism as claimed in claim 1, wherein the rack comprises two transverse rods arranged in parallel, and first and second connecting rods parallel and fixedly arranged across the transverse rods for supporting the table machine; the first, second and third pivot points of the rack are formed on the transverse rods symmetrically and respectively; the first legs and the first links are respectively pivoted to the transverse rods at an outer side of the transverse rods; the second legs are respectively pivoted to the transverse rods at an inner side of the transverse rods relative to the first legs and the first links. 4. The folding mechanism as claimed in claim 3, wherein the first links are substantially kept in parallel to the second legs and the second links are substantially kept in parallel to the transverse rods when the folding mechanism is in the extended position. 5. The folding mechanism as claimed in claim 1, further comprising a lock having a first hook portion for holding the first legs and the second legs in the crossed manner when the folding mechanism is in the extended position, and a second hook portion for holding the first legs and the second legs together when the folding mechanism is in the received position. 6. The folding mechanism as claimed in claim 5, wherein the lock comprises a pedal, a retainer, a first bridge member and a second bridge member; the pedal has one end pivotally connected with one of the second legs, and the other end configured having a press portion to be stepped by a user's foot; the retainer has a first end pivotally connected with the pedal, and a second end configured having the first hook portion and pivotally connected with one of the second legs, such that the first hook portion is moveable in response to a pivotal motion of the pedal; the retainer is provided with the second hook portion between the first and second ends thereof; the first bridge member has two ends fixedly and respectively mounted to the first legs; the second bridge member has two ends fixedly and respectively mounted to the first links; the first hook portion is hooked on the first bridge member when the folding mechanism is in the extended position, and the second hook portion is hooked on the second bridge member when the folding mechanism is in the received portion. 7. The folding mechanism as claimed in claim 6, wherein the retainer of the lock is provided at a portion that is pivotally connected with the second leg with an elongated guide groove.
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이 특허에 인용된 특허 (3)
Wu, David, 3-fold type folding collapsible golf cart.
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