Title:
【発明の名称】高速動弾性係合式ねじ・ナット機構
Document Type and Number:
Japanese Patent JPH10504374
Kind Code:
A
Abstract:
A new type of screw-and-nut mechanism comprises a supporting seat, one or more semi-nuts and the actuating means thereof, characterized in that the engagement of internal thread on the semi-nut with external thread on the screw is started elastically, then completed and locked by a positive element, and that the disengagement thereafter of the related elements is accomplished positively. Such a mechanism can be used in various kinds of jacks, vices, sliding tables of machine tools, as well as other devices which is driven by a screw and desired to pass through its return travel quickly.
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Inventors:
Fan, chaolai
Application Number:
JP50768296A
Publication Date:
April 28, 1998
Filing Date:
August 18, 1995
Export Citation:
Assignee:
Fan, chaolai
International Classes:
B23Q5/40; B25B1/12; B66F3/12; F16H25/20; B66F3/08; F16H25/24; (IPC1-7): F16H25/20; F16H25/24; B66F3/12; B66F3/08
Attorney, Agent or Firm:
Nao Okuyama (3 others)