The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 13, 1984
Filed:
Sep. 29, 1982
Frank A Depweg, Fairfield, CT (US);
Litton Industrial Products, Inc., New Britain, CT (US);
Abstract
A spindle powered adjustable chuck for forcefully gripping a workpiece capable of automatically adjusting gripping diameter comprising a support frame having a plurality of radially oriented jaw receiving compartments, jaws displaceable within the jaw receiving compartments, and worm gears for radially displacing the jaws, clamps for simultaneously displacing the jaws to a clamping position preparatory to rotating the chuck for operation, a spindle for rotatively driving the support frame, a planetary gear train including an internally splined sun gear and a plurality of planetary gears, splined shaft for coupling the planetary gears to the worm gears, and a two position splined key for operatively engaging and disengaging the planetary gear train, including a compression spring for biasing the splined key to a first position whereat the planetary gear train is fixed relative to the support frame, whereby rotation of the spindle can rotate a workpiece clamped to the support frame, the splined key being displaceable from the first position to second position acting against the compression spring, thereby rotationally fixing the sun gear of the planetary gear train whereby the support frame is rotatively free of the sun gear, so that rotation of the support frame rotatively drives the planetary gear train, thereby adjusting the gripping diameter through the worm gears.