Title:
LEVER HAVING SWINGABLE FULCRUM AND MECHANICAL DEVICE USING SAID LEVER DEVICE
Document Type and Number:
WIPO Patent Application WO/1990/015268
Kind Code:
A1
Abstract:
A swingable fulcrum type of lever provided with a lever member rotatably supported on a displaceable fulcrum. One end of the lever member (1) is connected to a force-application-point regulator (4) and the other end to a force-acting-point regulator (6). A fulcrum (2) includes a roller rolling in a fulcrum-guiding groove of a fulcrum-guiding member (3) and the lever member (1) is rotatably supported on the roller axis. Alternatively the fulcrum includes a slider inserted into the fulcrum-guiding groove, whereby the lever member (1) is supported rotatably with respect to the slider.
Inventors:
YOSHIZAWA YASUO (JP)
KATO MITSUO (JP)
KATO MITSUO (JP)
Application Number:
PCT/JP1990/000737
Publication Date:
December 13, 1990
Filing Date:
June 06, 1990
Export Citation:
Assignee:
YOSHIKI KOGYO KK (JP)
International Classes:
B30B1/02; B30B1/06; F16H21/00; F16H21/10; F16H21/44; (IPC1-7): F16H21/44
Foreign References:
| JPS528466B1 | 1977-03-09 | |||
| JPS6229156B2 | 1987-06-24 | |||
| JPS558767Y2 | 1980-02-26 | |||
| JPS5319147B2 | 1978-06-19 |
Other References:
See also references of EP 0427872A4
Download PDF: