[특허]Lengthwise displaceable, pressure medium charged, hydraulically blockable adjustment assembly

[미국특허] Lengthwise displaceable, pressure medium charged, hydraulically blockable adjustment assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16F-009/32
출원번호	US-0600524 (1975-07-30)
발명자 / 주소	Stadelmann Ludwig (Altdorf DT) Bauer Fritz (Altdorf DT)
출원인 / 주소	Suspa Federungstechnik Fritz Bauer & Sohne oHG (Altdorf DT 03)
인용정보	피인용 횟수 : 45 인용 특허 : 0

초록 ▼

An adjustment assembly has two coaxially mounted cylinders fitting into one another with a piston displaceably mounted within the inside cylinder and dividing the inside cylinder into two fluid filled housing chambers. The piston is connected to a piston rod which is guided out of one end of the cylinder in a sealed manner. A pressure medium chamber is provided in the annular space between the cylinders and is separated in a fluid tight manner from fluid filled parts of the annular space by two axially displaceable separating pistons. The lower housing chamber has a fluid passageway to the lower portion of the annular space and the upper housing chamber has a fluid passageway to the upper part of the annular space. The inner cylinder may be axially displaced from outside the assembly to seal or open the upper passageway thus locking or unlocking the piston.

대표청구항 ▼

A lengthwise-adjustable, pressure-medium charged, hydraulically blockable adjustment assembly comprising: an outer cylinder; an inner cylinder fitting coaxially within said outer cylinder and having a sealed off face at one end thereof, said sealed off face exposed to the outside; a piston displaceably mounted within said inside cylinder, said piston separating in a sealing, fluid-tight manner, said inside chamber into first and second housing chambers; a piston rod connected to said piston and extending sealingly outside of said cylinders at the end opposite said sealed off face; first and second axially displaceable separating pistons disposed in the annular space between said outer and inner cylinders in a fluid-tight manner and defining a first annular chamber on the side of said first separating piston opposite said second separating piston, a second annular chamber between said first and second separating pistons and a third annular chamber on the side of said second separating piston opposite said first separating piston; said inner cylinder having a passageway through the wall thereof in the vicinty of the sealed off end thereof; sealing means for sealing off said passageway in one position of said inner cylinder and for permitting access to said second annular chamber when in a second position; connecting means for permitting fluid access from said housing chamber on the side of said piston which is connected to said piston rod to at least a portion of said first annular chamber; pressure means within said second annular chamber for urging said first and second separating pistons apart; and substantially non-compressible fluid filling said first and second housing chambers and said first and third annular chambers; whereby said inner cylinder may be axially displaced between a locking position at which said sealing means seals off said passageway and said piston is locked and a releasing position at which said sealing means permits access of said passageway to said second annular chamber and said piston may move.

이 특허를 인용한 특허 (45) 인용/피인용 타임라인 분석

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Piaget, Gary; Christopher, Brent; Cook, Brian R.; Crawford, Douglas A.; Flick, Edward L.; Golesh, Eric D.; Monette, Ben; Potter, Randal; Singh, Todd; Rauwerdink, Matt; Warner, Patrick A.; Smith, Bradley J., Dual deck exercise device.
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Piaget, Gary; Christopher, Brent; Cook, Brian R.; Crawford, Douglas A.; Flick, Edward L.; Golesh, Eric D.; Monette, Ben; Potter, Randal; Singh, Todd; Rauwerdink, Matt; Warner, Patrick A.; Smith, Bradley J., Dual deck exercise device.
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Coody Bruce F. ; Harris Greg ; Cantrell Todd S., Foldable treadmill and bench apparatus and method.
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Bartesch Hans-Georg (Grafenau DEX) Nickel Volker (Sindelfingen DEX) Mller Manfred (Deizisau DEX) Freitag Herbert (Koblenz DEX) Schnitzius Klaus (Rheinbrohl DEX), Gas spring for motor vehicle with retaining drive for preventing piston rod return toward its operational, outermost pos.
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Dalebout William T. (1770 E. 1730 North North Logan UT 84321) Law Greg W. (578 Maple Dr. Smithfield UT 84335), Inclination mechanism for a treadmill.
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Bauer Hans J. (Altdorf DEX) Bauer Hans-Peter (Altdorf DEX), Lockable elevating mechanism for the continuous adjustment of seats, table tops or similar items of furniture.
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Olson, Michael L.; Dalebout, William T., Magnetic resistance mechanism in a cable machine.
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Crawford, Douglas A.; Piaget, Gary D.; Warner, Patrick A.; Christopher, Brent, Upper body exercise and flywheel enhanced dual deck treadmills.
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Beck Hubert,DEX ; Kuchheuser Werner,DEX ; Wortmann Wilhelm,DEX, Vibration damper for a motor vehicle and a piston cylinder assembly; such as for a vibration damper for a motor vehicle.
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Watterson, Scott R., Weight platform treadmill.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

[미국특허] Lengthwise displaceable, pressure medium charged, hydraulically blockable adjustment assembly 원문보기

초록 ▼

대표청구항 ▼

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[미국특허] Lengthwise displaceable, pressure medium charged, hydraulically blockable adjustment assembly 원문보기

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대표청구항 ▼

연구과제 타임라인

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