US Patent: 2,660,911
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| Operating Handle for Rotary Tools
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Patentee:
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| Karl E. Queitzsch (exact or similar names) - York, York County, PA |
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Patent Dates:
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| Applied: |
Nov. 29, 1947 |
| Granted: |
Dec. 01, 1953 |
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Patent Pictures:
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Karl E. Queitzsch patent Dec. 1, 1953 |
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Stan Schulz
"Vintage Machinery" entry for New Britain Machine Co.
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Description: |
| Features include "ball" head, ratchet pawl, swinging handle, and one handle position where the head and handle are positively "locked." Cited in patent no. 2,709,386, which refines this design and which was produced as a reversible ratchet by New Britain Machine Co.
The specifications cite patent nos. 1,670,547, 2,092,345, 2,503,373 and French patent FR-610,903 as references. |
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