Working-fluid storing device of electric discharge machining...

Details Working-fluid storing device of electric discharge machining... Working-fluid storing device of electric discharge machining...

2005-07-05

2005-07-05

Patel, Dhiru R. (Department: 2831)

Electricity: conductors and insulators

Boxes and housings

C174S058000, C174S060000, C174S0170CT, C439S535000, C312S216000

Reexamination Certificate

active

06914186

ABSTRACT:
A work liquid storage apparatus of an electric discharge machine having a work tank (2) for storing a work liquid (5) supplied by work liquid supply (6) with a workpiece (4) placed in the work liquid (5), the work tank having an opening (2a), a door (12) for opening and closing the opening (2a), and a seal member (10) for hermetically sealing space between the work tank (2) and the door (12) includes support plates (13) each being formed with a long hole (13a) in an up and down direction, fixing (14) for fixing the support plates (13) and the door (12), and arms (15) each being rotatably supported at both end parts with the work tank (2) and the support plate (13). Since the door (12) can be held at the position covering the lower end part of the opening (2a) of the work tank (2) and the position exposing the lower end part of the opening (2a), maintenance work and replacement work of the seal member (10) can be performed easily.

REFERENCES:
patent: 5501243 (1996-03-01), Palazzo
patent: 5783775 (1998-07-01), Marusinec
patent: 5901868 (1999-05-01), Fahey et al.
patent: 6039123 (2000-03-01), Webb
patent: 6770810 (2004-08-01), Wiebe et al.
patent: 62-259716 (1987-11-01), None
patent: 3-287312 (1991-12-01), None
patent: 8-71850 (1996-03-01), None

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