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US Patent: 50,604
Lathe Dog
Patentee:
C. W. Le Count - Norwalk, CT

USPTO Classifications:
82/166

Tool Categories:
metalworking machines : metal lathes : lathe dogs

Assignees:
None

Manufacturer:
Unknown

Witnesses:
J. W. Coombs
G. W. Reed
Henry T. Brown

Patent Dates:
Granted: Oct. 24, 1865

Patent Pictures:
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Description:
This invention relates to dogs or carriers, which are attached to the center-chucks of lathes. Heretofore the dogs for turning work between centers have been most commonly attached only to the work, and have been driven by entering a slot in the face-plate. It is more convenient to have them permanently attached to the center-chucks; but hitherto in cases where the dogs have been attached to the center-chuck the attachment has been rigid, and could only be used when the two centers were in line with each other, and not when the centers were arranged out of line, as is the common practice in turning taper-work. The object of my invention is to adapt a dog attached permanently to the center-chuck to the turning of all kinds of work; and to this end it consists in the attachment of the dog to the center-chuck by means of a ball and socket joint or its equivalent, whereby the necessary play is permitted; and it further consists in a novel construction of the chuck itself, whereby it is better adapted to work of taper form and of different transverse sectional forms.

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