Tool holder lock assembly

Details Tool holder lock assembly Tool holder lock assembly

1977-12-14

1979-03-27

Culver, Horace M.

Chucks or sockets

Socket type

Side detent

29 26A, 82 37, 90 11A, B23B 2914, B23B 2924, B23B 3110

Patent

active

041462394

ABSTRACT:
An improved lock assembly is utilized to hold a tool in a socket of a machine tool. The lock assembly includes a carriage which is movable toward and away from the socket along a path extending perpendicular to a central axis of the socket. A retaining member is pivotally supported on the carriage. Movement of the carriage toward the socket moves the retaining member from a disengaged position in which it is spaced apart from a tool disposed in the socket to an engaged position in which the retaining member abuts the tool and presses it firmly into the socket. As the carriage moves toward the socket, the retaining member rotates relative to the carriage from the disengaged position in which it is disposed at an oblique angle to the central axis of the socket to the engaged position in which it is more closely parallel to the central axis of the socket. The pivotal movement of the retaining member enables a major component of the force holding the tool in the socket to be transmitted in a direction which is parallel to the central axis of the tool to thereby maximize the component of force holding the tool in the socket.

REFERENCES:
patent: 300272 (1884-06-01), Lewis
patent: 1784911 (1930-12-01), Schlitters, Jr. et al.
patent: 1910275 (1933-05-01), Alden
patent: 2128116 (1938-08-01), Boone
patent: 2893291 (1959-07-01), Hollis
patent: 3369820 (1968-02-01), Lehmkuhl et al.
patent: 3727301 (1973-04-01), Tsuzuki et al.

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