IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0698483
(1985-02-05)
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우선권정보 |
SE-0000741 (1984-02-13) |
발명자
/ 주소 |
- Wing Anders (Hagaberg
- Grimared 439 29 Veddige SEX) Nicklasson Christer (Skanegatan 116 432 00 Varberg SEX)
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인용정보 |
피인용 횟수 :
8 인용 특허 :
2 |
초록
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A brake device for single and/or multi-wheeled carts, so-called wheelbarrows, in which one arm (16, 17) is mounted on one or each shaft (1, 2) of the wheelbarrow, the one end of the arm (16, 17) being provided with a brake shoe (21, 22) directed towards the wheel (3) of the wheelbarrow, and the arm
A brake device for single and/or multi-wheeled carts, so-called wheelbarrows, in which one arm (16, 17) is mounted on one or each shaft (1, 2) of the wheelbarrow, the one end of the arm (16, 17) being provided with a brake shoe (21, 22) directed towards the wheel (3) of the wheelbarrow, and the arm (16, 17) being pivotal towards and away from the wheel (3) for application of the brake shoe (21, 22) against the wheel (3), preferably in the proximity of the periphery of the wheel.
대표청구항
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A device for braking at least one wheel in a cart, for example a wheelbarrow, which has a frame including a pair of shafts, a wheel mounted between the shafts at one end thereof, said shafts having opposite ends provided with handle portions for maneuvering the cart, said braking device comprising t
A device for braking at least one wheel in a cart, for example a wheelbarrow, which has a frame including a pair of shafts, a wheel mounted between the shafts at one end thereof, said shafts having opposite ends provided with handle portions for maneuvering the cart, said braking device comprising two brake levers which extend along a said shaft, brake shoes mounted on said brake levers, connection means including first and second pivots for mounting each brake lever on the frame, said first pivot supporting its respective brake lever for pivotal movement about a first pivot axis to and from a braking position where the brake shoe engages the wheel, means for biasing each brake lever for movement away from said braking position, operating means for moving each brake lever about said first pivot axis to bring the brake shoe against the wheel, said second pivot mounting its respective brake lever for pivotal adjusting movement about a second pivot axis, said second pivot being oriented to provide an adjustment of the angle between the brake lever and the first pivot axis, said operating means including a brake cable, booster means with input and output connections connected respectively to the brake cable and said brake levers, said booster means being operable to provide forces at the output connections which are greater than the force exerted by said brake cable at the input connection, said booster means being a booster lever which has one end connected to the cable and another end with two pivots, and arms which connect said pivots to said brake levers.
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