Pneumatic cylinder with safety device

Details Pneumatic cylinder with safety device Pneumatic cylinder with safety device

2006-02-14

2006-02-14

Lazo, Thomas E. (Department: 3745)

Expansible chamber devices

Cylinder detail

C092S08500R, C072S453180

Reexamination Certificate

active

06997102

ABSTRACT:
A pneumatic force-generating device, for example, a pneumatic cylinder for balancing the ram weight on a press, is provided with an impact or catching device having an impact plate (24) for catching the piston (18) upon discharge of the weight. The deformable impact plate (24) is securely clamped along its edge or held by a clamping device (31), that permits a controlled slipping through. The impacting piston (18) deforms the impact plate (24) to absorb the kinetic energy produced if this piston is released as a result of damage and is accelerated by the existing gas bolster and thrown against the impact plate (24).

REFERENCES:
patent: 5300184 (1994-04-01), Masunaga
patent: 24 16 102 (1975-10-01), None
patent: 2819133 (1979-10-01), None
patent: 2200866 (1988-08-01), None
patent: 62168700 (1987-07-01), None

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