Title:
HYDRAULIC VIBRATOR
Document Type and Number:
Japanese Patent JPS59180102
Kind Code:
A
Abstract:
PURPOSE:To ease processing and enable a control piston to be adapted to any vibratory piston regardless of difference in size of the vibratory piston by connecting two vibratory pistons to each other by means of a duct and enabling vibration of one vibratory piston to cause the other piston to vibrate. CONSTITUTION:Respective vibratory piston 4, 5 are fitted in two vibratory cylinders 2, 3 so as to be movable longitudinally. A pressure oil port 6 and a waste oil port 7 are provided in a ring chamber 2a and a ring chamber 2c in the middle of a vibratory cylinder 2. A duct 8, communicating with the ring chambers 2c, 2c' of the vibratory cylinder 2, is in communication with a ring chamber 3a in the middle of the other vibratory cylinder 3. A ring chamber 2b of the vibratory cylinder 2 communicates with the left end of the other cylinder 3 by means of a duct 9 and a ring chamber 2b' communicates with the right end by means of a duct 10, while the left end part communicates with a ring chamber 3b' by means of a duct 11 and the right end part communicate with a ring chamber 3b by means of a duct 12.
Inventors:
YOSHINO MASAO
SATOU TOWATA
SATOU TOWATA
Application Number:
JP5373383A
Publication Date:
October 13, 1984
Filing Date:
March 31, 1983
Export Citation:
Assignee:
KOUBI SEIKI KK
NIKKO SANGYO KK
NIKKO SANGYO KK
International Classes:
G01N3/32; F15B11/15; (IPC1-7): F15B11/15; G01N3/32
Domestic Patent References:
| JPS5556872A | 1980-04-26 | |||
| JPS57146902A | 1982-09-10 |
Attorney, Agent or Firm:
Ezaki Mitsuyoshi