Title:
STEPLESS SPEED CHANGE GEAR USING CAM
Document Type and Number:
Japanese Patent JPS62124345
Kind Code:
A
Abstract:
PURPOSE:To light accomplish turning operation of an operating lever by providing a spring, one end of which is fixed to a spring shoe, connecting the other end of the spring to the operating lever, and applying expanding force of the spring to the operating lever. CONSTITUTION:An operating lever 36 is connected to a movable cam of a rotary cam device for varying the pulley diameter of a stepless speed change gear. An upper spring shoe 28 is provided in the middle of the operating lever 36, and a lower spring shoe 33 is disposed on a fixed member shifted a little to the upper spring shoe 28 from the turning center of the operating lever 36. A coiled spring 32 to which compression load is previously applied between the upper and lower spring shoes 28, 33. In this arrangement, the turning force of the operating lever 36 is reinforced by the expanding force of the coiled spring 32, so that the operating lever 36 is lightly operated.
Inventors:
FUJITA YASUSHI
Application Number:
JP25918985A
Publication Date:
June 05, 1987
Filing Date:
November 19, 1985
Export Citation:
Assignee:
ISEKI AGRICULT MACH
International Classes:
F16H9/12; F16H9/00; F16H61/26; F16H63/06; F16H63/30; F16H63/34; F16H63/38; (IPC1-7): F16H9/12; F16H11/04
Attorney, Agent or Firm:
Kotaro Shinseki