B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 31/02 (2006.01) B23B 31/12 (2006.01)
Patent
CA 2082091
In construction of a tool chuck in which manual rotation of an outer operation sleeve causes concurrent rotation of an inner screw ring to move clamping jaws in a chuck body following the principle of screw feeding, a solid lubrication coating layer is interposed between the screw ring and the chuck body so as to minimize friction between the two elements during their relative rotation for clamping a tool via the jaws, thereby effectively utilizing input torque from the operation sleeve for clamping operation. The solid lubrication coating layer may be applied either to a washer or directly to the screw ring.
Mandrin de serrage actionné manuellement par un manchon externe dont la rotation entraîne une rotation correspondante d'une bague filetée interne, qui fait avancer des mors dans le corps du mandrin. Un revêtement de lubrifiants solides placé entre la bague filetée et le corps du mandrin réduit le frottement entre ces deux éléments lors de la mise en place d'un outil, de sorte que le couple de rotation exercé sur le manchon est utilisé de façon efficace pour le serrage. Le revêtement de lubrifiants solides peut être appliqué directement sur la bague filetée ou sur un anneau.
Jacobs Japan Inc.
Smart & Biggar
LandOfFree
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