[특허]Tilting device for seating units

[미국특허] Tilting device for seating units 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47C-003/00
출원번호	US-0183644 (1980-09-03)
우선권정보	DE-0048680 (1977-10-29)
발명자 / 주소	Flum, Manfred Ziegler, Horst
출원인 / 주소	Christof Stoll GmbH & Co. KG
대리인 / 주소	Oblon, Fisher, Spivak, McClelland & Maier
인용정보	피인용 횟수 : 41 인용 특허 : 0

초록 ▼

A compact, optically inconspicuous tilting device for seating units, to be attached underneath a seat including a casing disposed beneath a seat resting on the understructure of the seating unit, a seat carrier pivotably mounted about a horizontal axis to the front edge area of said seat, mechanical locking means for connecting the seat carrier within the casing including first locking members successively arranged in at least two planes parallel to the swivel axis of the seat carrier and staggered towards each other and second locking members engageable with said first locking members, a rest member connected to said casing including a shank member, a link member interconnecting said seat carrier with the shank member, a bearing member connected to said casing operably engageable with said shank member to the rest member, at least one spring element mounted on said casing which acts at one end of the seat carrier opposite to the load of the user, and bistable activation lever means for activating said mechanical locking means, accessible to the user of the seat unit in such a manner that, in a first operable position, said second locking members are disengaged from said first locking members and, in a second operable position, at least one of said second locking members is engaged with said first locking members.

대표청구항 ▼

1. A tilting device for a seating unit which comprises: a casing disposed beneath a seat resting on the understructure of the seating unit; a seat carrier pivotably mounted about a horizontal swivel axis to the front edge area of said seat; mechanical locking means for connecting the seat carrier within the casing including first locking members and second locking members engageable with said first locking members; means for biasing said second locking members into engagement with said first locking members; means for guiding said second locking members into and out of engagement with said first locking members; sliding means for moving said second locking members so as to engage with said first locking members; a rest member pivotably adjustably mounted to said casing; a lever member operatively associated with said casing; a bearing member connected to said casing operably engageable with said rest member; a plurality of spring elements mounted on said casing which acts at one end of the seat carrier opposite to the load of the user; bistable activation lever means connected to said sliding means for activating said mechanical locking means, accessible to the user of the seating unit in such a manner that, in a first operable position, said second locking members are disengaged from said first locking members and, in a second operable position, at least one of said second locking members is engaged with said first locking members; means extending outside said casing for adjusting the initial tension of said plurality of spring elements from outside said casing mounted on said casing; and said first locking members comprise a locking plate operatively associated with the seat carrier including holes formed in said locking plate and wherein said second locking member comprises locking bolts, supported by the means for guiding the second locking means, engageable in said holes formed in said locking plate and wherein only one part of said plurality of spring elements is adjustably connected to said lever for initial tension by said adjusting means. 2. A tilting device for a seating unit which comprises: a casing disposed beneath a seat resting on the understructure of the seating unit; a seat carrier pivotably mounted about a horizontal swivel axis to the front edge of said seat; mechanical locking means for connecting the seat carrier within the casing including first locking members and second locking members engageable with said first locking members; means for biasing said second locking members into engagement with said first locking members; means for guiding said second locking members into and out of engagement with said first locking members; sliding means for moving said second locking members so as to engage with said first locking members; a bell-crank back rest carrier pivotably adjustably connected to said casing including a shank member; a lever member connected to said shank member; a bearing member connected to said casing operably engageable with said shank member of the back rest carrier; a plurality of spring elements mounted on said casing which acts at one end of the seat carrier opposite to the load of the user; bistable activation lever means connected to said sliding means for activating said mechanical locking means, accessible to the user of the seating unit in such a manner that, in a first operable position, said second locking members are disengaged from said first locking members and, in a second operable position, at least one of said second locking members is engaged with said first locking members; means extending outside said casing for adjusting the initial tension of said plurality of spring elements mounted on said casing; a link member movably interconnecting the seat carrier with said shank member of the back rest carrier disposed in an area of the seating unit away from the swivel axis of the seat carrier so as to provide a second swivel axis for the back rest carrier member parallel to the swivel axis of the seat carrier; wherein said first locking members comprise a locking plate connected to the rear portion of the shank member of the back rest carrier member including holes formed in said locking plate and said second locking member comprises locking bolts, supported by the means for guiding the second locking means engageable in said holes formed in said locking plate and wherein only one part of said plurality of spring elements is adjustably connected to said lever for initial tensioning by said adjusting means. 3. The tilting device of claim 2 wherein the distance between the swivel axis of the seat carrier and the link member connecting the seat carrier with the shank member of the back rest carrier member is approximately twice the distance between the link member and the swivel axis of the shank member of the back rest carrier. 4. A tilting device as set forth in claims 1 or 2, which further comprises: a lever connected to the seat carrier at the swivel axis of the seat carrier; and fastening eye members mounted on the casing wherein said plurality of spring elements interconnect the lever and the fastening eye members. 5. A tilting device as set forth in claim 2, said shank member further comprising: a lever member disposed on the swivel axis of said bell crank back rest carrier and wherein said plurality of spring elements interconnect said lever member and the casing.

이 특허를 인용한 특허 (41) 인용/피인용 타임라인 분석

Hong, Lin Yu, Apparatus for adjusting inclination of chair backs.
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Castro, Jr., Elindo G.; Hill, Christopher C., Biasing mechanism for a seating structure and methods for the use thereof.
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Caruso,Jerome C.; Caruso,Steven J.; Gezon,Bruce R.; Gierz,Marc A.; Nyenhuis,Jack R., Chair.
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Jerome C. Caruso ; Steven J. Caruso ; Bruce R. Gezon ; Marc A. Gierz ; Jack R. Nyenhuis, Chair.
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Battey, Robert J.; Heidmann, Kurt R.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
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Ken A. Beggs CA; Gerard J. Matern CA, Chair tilt lock mechanisms.
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Stumpf William S.,CAX, Chair tilt mechanism.
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Van Koolwijk Jan (Stuttgart DEX) Jokic Reinhold (Bromskirchen DEX), Chair with adjustable seat and backrest.
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Desanta Simon (Gutersloh DEX), Chair with an adjustable backrest.
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Niergarth Tom S ; Britain Graham J. ; Sudduth Ed ; Holbrook Richard, Chair with an adjustable seat.
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Emmenegger Wolfgang,DEX ; Erne Anton,CHX ; Huber Jorg,CHX, Chair, specially an office chair.
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Gorgi Claudio,ITX ; Zanetti Daniela,ITX, Device for adjusting the inclination of the seating portion in chairs in general.
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Crossman Philip (Holland MI) Hybarger Kenneth C. (Belmont MI) Zeeuw Bryan H. (Lowell MI) Young David A. (Grand Rapids MI), Knee-tilt chair control.
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Bauer, Fritz; Bauer, Hans-Peter; Bauer, Hans Jurgen, Lockable tilting apparatus for chair seats.
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Hobb, Gordon Dennis; Hobb, David Lloyd, Locking mechanism for chair and pushbutton control therefor.
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Highlander, Charles D.; Brittain, Richard Dustin; Calapp, David; Schaaf, Horst W., Method and apparatus to enhance proprioception and core health of the human body.
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Schaaf, Horst, Method and apparatus to enhance proprioception and core health of the human body.
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Von Ehr, Pat; Britain, Graham J.; Holbrook, Richard, Method for adjusting a seat.
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Miotto Beniamino,ITX, Multi-position chair control mechanism for synchronously adjusting the seat and backrest of a chair.
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Schmidt, Gregory M., Multiple-position seat.
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Willi Hensel (Willingen DEX), Pivotally and slidably connected cantilevered swivel seat.
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Lin,Yu Hong, Recliner.
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Hill Kevin E. (Milwaukee WI), Resiliently suspended, tiltable and tethered vehicle operator\s seat having fore and aft adjustment.
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Erne, Anton, Seat and backseat assembly for seating, in particular office chairs.
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Ludwig, James N.; Deevers, Nickolaus William Charles; Heidmann, Kurt R.; Johnson, William Thomas; Smith, Bruce M.; Spoelhof, Mark William, Seating arrangement.
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Ludwig, James Nolan; Deevers, Nickolaus William Charles; Heidmann, Kurt; Smith, Bruce Michael; Spoelhof, Mark William, Seating arrangement.
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Link, Werner, Seating furniture item, in particular office chair.
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Rossetto,Marco; Costaglia,Massimo; Maestri,Silvio, Support for tilting or synchronized chairs.
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Hybarger Kenneth C. ; Crossman Philip E. ; Zeeuw Bryan H. ; Johnson LeRoy B. ; Young David A., Synchronized chair seat and backrest tilt control mechanism.
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Hybarger Kenneth C. ; Crossman Philip E. ; Zeeuw Bryan H. ; Johnson LeRoy B. ; Young David A., Synchronized chair seat and backrest tilt control mechanism.
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Hybarger Kenneth C. ; Crossman Philip E. ; Zeeuw Bryan H. ; Johnson LeRoy B. ; Young David A., Synchronized chair seat and backrest tilt control mechanism.
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Hill Kevin E. (Milwaukee WI), Tethered vehicle operator\s seat having wide range of fore and aft adjustment.
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Roslund, Richard N.; Rutman, Matthew; Gundarapu, VijayKrishna; Guntur, Naveen, Tilt control mechanism for a chair.
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Roslund,Richard N.; Rutman,Matthew; Gundarapu,VijayKrishna; Guntur,Naveen, Tilt control mechanism for a chair.
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Mrotz ; III Walter C. (North Muskegon MI), Tilt control mechanism, particularly for knee-tilt chair.
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Meidan, Daniel, Tilt controls for chairs.
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Mrotz ; III Walter C. (North Muskegon MI) Cool Donald L. (Holland MI) Liebertz Fred C. (Twin Lake MI), Tilt mechanism, particularly for knee-tilt chair.
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Hill, Kevin E., Tiltable vehicle seat for backhoes or the like.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Tilting device for seating units 원문보기