US Patent: 2,003,155
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Reversible Friction Clutch
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Patentee:
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Edward M. Pfauser (exact or similar names) - Wauwatosa, WI |
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Patent Dates:
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Applied: |
Jul. 01, 1932 |
Granted: |
May 28, 1935 |
Patent Pictures:
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Edward M. Pfauser patent May 28, 1935 |
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Stan Schulz
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Description: |
Rollers and tapered surfaces create wedging action between the handle and the socket-driving shank on the head. This patent improves patent no. 1,936,640 with spring-loaded plungers to hold the adjustment for the direction of the ratchet action.
Used along with patent nos. 1,927,844 and 1,936,640 on the BLACKHAWK FREEWHEEL RATCHET. |
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