US Patent: 3,130,618
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| Hydraulic Tool Holder
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Patentee:
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| Albert W. Drantz (exact or similar names) - Norridge, Cook County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Apr. 03, 1963 |
| Granted: |
Apr. 28, 1964 |
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Joel Havens
"Vintage Machinery" entry for Scully-Jones & Co.
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Description: |
| Claim:
A hydraulic tool holder comprising a pair of body members spaced apart to provide a space therebetween for seating a cutter block or the like, a first recess in one of said body members, a piston mounted in said recess for axial sliding movement therein, a second recess in one of said body members, clamping means mounted in said second recess for axial sliding movement therein between a clamping position wherein said means is adapted to engage a cutter block seated between said body members and an open position wherein said clamping means is retracted, connecting means for connecting said piston to said clamping means, spring means for biasing said clamping means toward clamping position, and hydraulic means associated with said piston for moving said clamping means to open position. |
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