US Patent: 3,532,013
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| Quick Release Mechanism For Fine Tooth Ratchet Wrenches
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Patentee:
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| Henry J. Haznar (exact or similar names) - Ware, MA |
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Patent Dates:
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| Applied: |
May 01, 1968 |
| Granted: |
Oct. 06, 1970 |
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Patent Pictures:
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Henry J. Haznar patent October 6, 1970 |
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Stan Schulz
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Description: |
| A spring-loaded central shaft has a tapered recess which allows the socket-retaining ball to retract.
The specifications note this feature applies to ratchet wrenches of the type described in patent no. 2,772,763. They also note a release plunger described in patent no. 3,208,318.
The patent appears along with 3,467,231 on a CRAFTSMAN 43178 1/4" drive ratchet. |
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