Sheave support apparatus for elevator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Feb 8, 2011
Grant Date -
Nov 27, 2008
app pub date -
May 14, 2008
filing date -
May 21, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sheave support apparatus for an elevator includes a car frame and a sheave support member. The car frame supports a car, and has a beam extending in a horizontal direction. The sheave support member rotatably supports a pair of sheaves around which cables pass, and is attached to the beam to extend in the horizontal direction in a state of crossing the beam of the car frame. The sheave support member includes a first support beam and a second support beam. The first and the second support beams are fixed to the beam of the car frame in a state of holding the beam therebetween from above and below. The sheaves are supported between respective end portions of the first support beam and respective end portions of the second support beam.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
TOSHIBA ELEVATOR KABUSHIKI KAISHA | KAWASAKI JAPAN'S KANAGAWA COUNTY TO DISTRICT HORI TOWN 72 N3 34 KAWASAKI-SHI KANAGAWA |
International Classification(s)

- 2008 Application Filing Year
- B66D Class
- 80 Applications Filed
- 49 Patents Issued To-Date
- 61.25 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Izumi, Kazuhiro | Tokyo, JP | 6 | 65 |
# of filed Patents : 6 Total Citations : 65 | |||
Mishiro, Tsutomu | Tokyo, JP | 2 | 22 |
# of filed Patents : 2 Total Citations : 22 | |||
Murao, Yosuke | Tokyo, JP | 3 | 24 |
# of filed Patents : 3 Total Citations : 24 |
Cited Art Landscape
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Patent Citation Ranking
- 1 Citation Count
- B66D Class
- 4.55 % this patent is cited more than
- 14 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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