Title:
BALL JOINT TYPE PISTON AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JPS57140967
Kind Code:
A
Abstract:
PURPOSE:To reduce weight of the connecting rod and improve productivity by manufacturing the connecting rod with hollow material. CONSTITUTION:The connecting rod 11 is structured hollow having a ball type and 12 which is also hollow. It is slidably fitted to a spherical seat 14 provided inside the piston body 13. This piston rod is fabricated from a cylindrical hollow material with one end closed. The closed end is inserted in a cylinder provided inside the piston body 13, and then, the ball 12 and the spherical seat 14 are simultaneously formed by means of a ''bulge-forming'' process.
Inventors:
YONEYAMA SHIGEO
YOKOYAMA RIYOUHEI
MURAKAMI NOBUAKI
HASEYAMA AKIRA
YOKOYAMA RIYOUHEI
MURAKAMI NOBUAKI
HASEYAMA AKIRA
Application Number:
JP2425581A
Publication Date:
August 31, 1982
Filing Date:
February 23, 1981
Export Citation:
Assignee:
TOKYO SHIBAURA ELECTRIC CO
International Classes:
F16J1/22; F16J7/00; (IPC1-7): F16J1/22