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 Title: |
US6527089:
Caliper drive for a bicycle ball bearing mechanical disc brake caliper
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Lumpkin, Wayne R.; Littleton, CO
Mayberry, Michael T.; Denver, CO
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| Assignee: |
Avid, L.L.C., Englewood, CO
other patents from AVID, L.L.C. (782847) (approx. 13)
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| Published / Filed: |
2003-03-04
/ 2000-12-23
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| Application Number: |
US2000000746905
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| IPC Code: |
Advanced:
B62L 1/00;
B62L 3/00;
F16D 55/224;
F16D 65/092;
F16D 65/14;
F16D 65/18;
F16D 65/56;
Core:
F16D 65/38;
more...
IPC-7:
B62L 5/00;
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| ECLA Code: |
B62L1/00; B62L3/00; F16D55/224; F16D65/092; F16D65/14B6B; F16D65/14D4B; F16D65/14P4D4; F16D65/14P8D; F16D65/14P4D2; F16D65/14P12D; F16D65/18; F16D65/56D;
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| U.S. Class: |
188/026;
188/024.11;
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| Field of Search: |
188/24.11,72.1,71.9,71.8,71.5,72.2,260,72.8,324
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| Priority Number: |
| 2000-12-23 |
US2000000746905 |
| 2000-04-06 |
US2000000195560P |
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| Abstract: |
A caliper drive for a bicycle ball bearing mechanical disc brake caliper includes a first cam fixed against axial movement relative to an advancement axis during caliper actuation and a second cam moveably axially of the advancement axis relative to the fixed cam during caliper actuation. A plurality of ramped grooves reside between the first cam and the second cam and each ramped groove receives a ball bearing. The ramped grooves are configured to cause axial movement of the second cam relative to the first cam upon relative rotation of the cams about the advancement axis. Each ramped groove has a side wall defining a radially stable path for the ball bearing substantially preventing relative radial movement between the fixed and drive cams.
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| Attorney, Agent or Firm: |
Swanson & Bratschun, LLC ;
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| Primary / Asst. Examiners: |
Schwartz, Christopher P.; Torres, Melanie
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| INPADOC Legal Status: |
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| Parent Case: |
RELATED APPLICATIONS
This application claims priority from U.S. Provisional Patent Application Serial No. 60/195,560, filed Apr. 6, 2000, entitled "Mechanical Disc Brake Caliper", the contents of which are incorporated herein in their entirety.
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| Designated Country: |
AE AG AL AM AP AZ BA BB BG BR BY BZ CN CO CR CU CZ DM DZ EA EE GD GE GH GM HR AT BE CH CY DE DK ES FI FR GB GR
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| Family: |
Show 30 known family members
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First Claim:
Show all 12 claims |
What is claimed is:
1. A caliper drive for a bicycle ball bearing mechanical disc brake caliper, the caliper drive moving an associated brake pad along an advancement axis relative to a brake disc operatively associated with ball bearing mechanical disc brake caliper during caliper actuation, the caliper drive comprising;
- a first cam fixed against axial movement relative to an advancement axis during caliper actuation;
- a second cam movable axially of the advancement axis relative to the first cam during caliper actuation;
- a plurality of ball bearings; and
- a plurality of ramped grooves between the first cam and the second cam, each ramped groove receiving a ball bearing, the ramped grooves being configured to cause axial movement of the second cam relative to the first cam upon relative rotation between the first and second cams about the advancement axis, each ramped groove having side walls defining a radially stable path for the ball bearing wherein the sidewalls of the ramped grooves are the sole means of providing radial stability between the first and second cams.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
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