Patents Assigned to Corea S.A.
  • Pneumatic Jack
    Patent number: 5568761
    Abstract: Pneumatic jack of the type comprising a rigid body (1) joined to the outer edge of a deformable membrane (2) so as to delimit with the latter a chamber of variable volume capable of being subjected to either atmospheric pressure of a negative pressure, via an air inlet located in the chamber. The body (1) and the membrane (2) each have, substantially in the center, an opening (15, 14) that can be closed, at least partially, by a disc (4, 3). Application in multiple position jacks.
    Type: Grant
    Filed: January 11, 1995
    Date of Patent: October 29, 1996
    Assignee: Corea S.A.
    Inventor: Dominique Legendre