Solenoid and spring operated brake
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 9, 1989
Issued Date -
N/A
app pub date -
Feb 22, 1988
filing date -
Nov 6, 1986
priority date (Note) -
Expired
status (Latency Note)
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Importance

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Abstract
An inner pressure pad is positioned on support members adjacent to the disk and generally parallel to the disk. An outer pressure pad is positioned on the support members with the disk interposed in between the inner pressure pad and the outer pressure pad, and the outer pressure pad is generally parallel to the disk. Springs are inserted on the support members and interposed in between the inner pressure pad and the outer pressure pad to urge the outer pressure pad away from the disk. A lever is pivotally mounted on the support members at a distance away from the outer pressure pad, and normally extends generally parallel to the outer pressure pad. Adjusting means are secured to the lever with one end extending to normally contact the outer pressure pad. A frame member is secured to the support members to partially enclose the lever and the disk. The frame member has a fulcrum formed thereon protruding from the frame member to contact the lever on the side opposite from the disk. A solenoid is supported by the frame member, and has an armature pivotally attached directly to the lever at a distance Y from the fulcrum. A second spring is connected to the frame member at one end and at another end to the lever, at a distance Z from the fulcrum which is at least equal to the distance Y.
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 | |
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BANK OF AMERICA N A AS AGENT | ONE BRYANT PARK NEW YORK NY 10036 |
International Classification(s)

- 1988 Application Filing Year
- B60T Class
- 290 Applications Filed
- 0 Patents Issued To-Date
- 0 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Stevens, Jr Howard C | Muskegon, MI | 2 | 9 |
# of filed Patents : 2 Total Citations : 9 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 7 Citation Count
- B60T Class
- 0 % this patent is cited more than
- 36 Age
Forward Cite Landscape
- No Forward Cites to Display

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 |
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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 |
Full Text

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Nov 09, 1992 | FPAY | FEE PAYMENT | year of fee payment: 4 |
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Apr 08, 1991 | AS | ASSIGNMENT | free format text: SECURITY INTEREST;ASSIGNOR:LIFT TECH INTERNATIONAL, INC.;REEL/FRAME:005717/0685 Owner name: NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION, MINN Effective Date: Apr 08, 1991 |
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May 09, 1989 | I | Issuance | |
Mar 14, 1989 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 22, 1988 | F | Filing | |
Nov 06, 1986 | PD | Priority Date |

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