[특허]Damper for hinges

FARINGOSI HINGES S.R.L.

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특허 상세정보

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Damper for hinges

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05F-005/10 F16F-009/34 F16F-009/512 F24C-015/02 E05F-005/02
출원번호	US-0404438 (2012-06-15)
등록번호	US-9534435 (2017-01-03)
국제출원번호	PCT/IB2012/001169 (2012-06-15)
§371/§102 date	20150109 (20150109)
국제공개번호	WO2013/186582 (2013-12-19)
발명자 / 주소	Dora, Massimo
출원인 / 주소	FARINGOSI HINGES S.R.L.
대리인 / 주소	Lucas & Mercanti, LLP
인용정보	피인용 횟수 : 1 인용 특허 : 6

초록
▼

Damper (1) comprising a cylinder (2) containing a damping fluid, at least one piston (3) translatable within said cylinder and defining two damping chambers (4, 5), and a rod (6) for controlling the movement of said at least one piston (3) within said cylinder (2), said damper further comprising at least one first and at least one second narrow passages (7, 8) through which said damping fluid is forced to pass from one to the other of said two damping chambers (4, 5) when said control rod is controllably moved within said cylinder (2), characterized in that said at least one piston (3) is translatable with respect to said control rod (6) on the basis of the speed of said control rod (6), between a first position (P1), in which said at least one piston (3) prevents said damping fluid from passing through said at least one first narrow passage (7) and a second position (P2) in which said at least one piston (3) allows said damping fluid to pass through said at least one first narrow passage (7), and in that it comprises at least one first elastic member (9) constrained to said at least one piston (3) and deformable and/or displaceable with respect to said at least one piston (3) on the basis of the speed of said at least one control rod (6) to prevent said fluid from passing through said at least one second narrow passage (8), at least when said at least one piston (3) is in said second position (P2).

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청구항
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1. Damper comprising: a cylinder containing a damping fluid, said cylinder having a first end and a second end,at least one piston within said cylinder and defining two damping chambers, said at least one piston being translatable within said cylinder between said first end and said second end,a rod for controlling the movement of said at least one piston within said cylinder,said damper further comprising at least one first narrow passage and at least one second narrow passage through which said damping fluid is forced to pass from one to the other of said two damping chambers when said control rod is controllably moved within said cylinder,wherein said at least one piston is translatable with respect to said control rod as said control rod moves between said first end and said second end, said at least one piston is translatable between a first position (P1) as said control rod moves towards said first end at a control rod speed having a preset threshold value, in which said at least one piston allows said damping fluid to pass through said at least one second narrow passage and prevents said damping fluid from passing through said at least one first narrow passage, and a second position (P2) as said control rod moves towards said first end at a control rod speed exceeding said preset threshold value in which said at least one piston allows said damping fluid to pass through said at least one first narrow passage and prevents said damping fluid from passing through said at least one second narrow passage, andwherein said damper further comprises at least one first elastic member constrained to said at least one piston and deformable and/or displaceable with respect to said at least one piston, on the basis of the control rod speed, between an arrangement in which said damping fluid is prevented from passing through said at least one second narrow passage, at least when said at least one piston is in said second position (P2), and an arrangement in which said damping fluid is allowed to pass through said at least one second narrow passage at least when said at least one piston is in said first position (P1). 2. Damper according to claim 1, further comprising a second deformable elastic member directly or indirectly arranged between said control rod and said at least one piston and subjected to the action of said at least one piston, at least when said at least one piston is translationally moved between said first and second positions. 3. Damper according to claim 2, wherein said control rod comprises at least one low-profile diametrical portion in which said at least one piston and said at least one second elastic member are accommodated. 4. Damper according to claim 2, wherein said second elastic member is an O-ring or a spring. 5. Damper according to claim 1, wherein said at least one first elastic member comprises an O-ring. 6. Damper according to claim 5, wherein said at least one first elastic member is made of rubber. 7. Damper according to claim 1, wherein said at least one piston is provided with at least one truncated - conical portion, and said at least one first elastic member is slidingly constrained to said at least one piston at said at least one truncated - conical portion, on the basis of the direction of movement of said control rod. 8. Damper according to claim 1, wherein said at least one first narrow passage is defined between the inner surface of said at least one piston and the external surface of said control rod. 9. Damper according to claim 1, wherein said at least one second narrow passage is defined between the inner surface of said cylinder and the outer surface of said at least one piston. 10. Damper according to claim 1, wherein said at least one second narrow passage comprises one or more through-holes formed in said piston. 11. Damper according to claim 1, wherein said at least one first narrow passage is dimensioned with respect to said at least one second narrow passage so as to provide an increased resistance to the damping fluid passing from one to the other of said two damping chambers. 12. Hinge for closing/opening doors of kitchen ovens comprising a damper according to claim 1. 13. Damper according to claim 1, wherein said cylinder has a substantially constant inner diameter over a portion of said cylinder in which said at least one piston is translatable between said first end and said second end of said cylinder.

이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 (1)

Wang, Fan Shui, Pneumatic door closer.

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Damper for hinges

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이 특허에 인용된 특허 (6)

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Damper for hinges

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이 특허에 인용된 특허 (6)

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