Vibrating pile driver

Description

FIG. 1 is a front elevational view of a vibrating pile driver showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof; and,

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
4506744 March 26, 1985 Dawson
4785892 November 22, 1988 Luen
4817733 April 4, 1989 Hennecke et al.
4860835 August 29, 1989 Mauch
4993500 February 19, 1991 Greene
Patent History
Patent number: D326857
Type: Grant
Filed: Oct 24, 1989
Date of Patent: Jun 9, 1992
Assignee: Nippon Pneumatic Manufacturing Co., Ltd. (Osaka)
Inventors: Yutaka Ikeda (Nabari), Yoshifumi Ito (Matsubara)
Primary Examiner: Bernard Ansher
Assistant Examiner: Sandra Morris
Law Firm: Wenderoth, Lind & Ponack
Application Number: 7/425,982