Elevator – industrial lift truck – or stationary lift for vehicle – Having means cushioning contact of load support with... – Fluid resistance or shock absorber-type means
Reexamination Certificate
2007-10-30
2007-10-30
Brahan, Thomas J. (Department: 3654)
Elevator, industrial lift truck, or stationary lift for vehicle
Having means cushioning contact of load support with...
Fluid resistance or shock absorber-type means
C267S220000, C267S221000
Reexamination Certificate
active
11451351
ABSTRACT:
In a buffer device for an elevator, a hydraulic buffer that alleviates shock generated when a traveling body impacts at the bottom of a hoistway is located at the bottom of the hostway. Provided between the traveling body and the bottom of the hoistway is an elastic member that is elastically deformed and that alleviates the shock generated by the impact of the traveling body with the hydraulic buffer. The elastic member is arranged so that, when elastically deformed, almost fall of the elastic member is positioned within a range of a vertical dimension of the hydraulic buffer.
REFERENCES:
patent: 986378 (1911-03-01), Furlow
patent: 1136678 (1915-04-01), Jansson
patent: 1873807 (1932-08-01), Arnold
patent: 2744587 (1956-05-01), Beck
patent: 2974943 (1961-03-01), Ames
patent: 3559976 (1971-02-01), Jerz, Jr.
patent: 3857555 (1974-12-01), Mori et al.
patent: 3868912 (1975-03-01), Wagner et al.
patent: 3874307 (1975-04-01), Schwam
patent: 3889934 (1975-06-01), Kamman
patent: 4015835 (1977-04-01), Schumacher et al.
patent: 4162062 (1979-07-01), Strauss
patent: 4235317 (1980-11-01), Maciejewski
patent: 4361209 (1982-11-01), Kappenhagen et al.
patent: 4396098 (1983-08-01), Petrak
patent: 4515248 (1985-05-01), Ohta
patent: 4635907 (1987-01-01), Bialy et al.
patent: 4735291 (1988-04-01), Kappenhagen
patent: 4848519 (1989-07-01), Ericson et al.
patent: 5181697 (1993-01-01), Rumer
patent: 5195616 (1993-03-01), Yoo et al.
patent: 5244190 (1993-09-01), Bianchi
patent: 5513724 (1996-05-01), De Jong
patent: 6327024 (2001-12-01), Hayashi et al.
patent: 2487716 (2002-04-01), None
patent: 100 25 755 (2001-11-01), None
patent: 54-97951 (1979-08-01), None
patent: 60-137766 (U) (1985-09-01), None
patent: 3-51282 (1991-03-01), None
patent: 3-95086 (1991-04-01), None
patent: 3-120182 (1991-05-01), None
patent: 4-201965 (1992-07-01), None
patent: 4-217577 (1992-08-01), None
patent: 5-139654 (1993-06-01), None
patent: 5-246647 (1993-09-01), None
patent: 6-234477 (1994-08-01), None
patent: 11-107503 (1999-04-01), None
patent: 2001-240338 (2001-09-01), None
patent: 2001-241506 (2001-09-01), None
Kigawa Hiroshi
Yumura Takashi
Zhao Sen
Zhu Chang-Ming
Brahan Thomas J.
Leydig , Voit & Mayer, Ltd.
Mitsubishi Denki & Kabushiki Kaisha
LandOfFree
Buffer device for elevator does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Buffer device for elevator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Buffer device for elevator will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3843594