Patents Assigned to Gilbert Products
  • Locking means for a lamp holder
    Patent number: 4294503
    Abstract: Locking means for a lampholder having an opening to receive a threaded component. A locking member is captively carried by the lampholder and is mounted for limited movement in a direction normal to the axis of the opening, and the locking member has at least one inwardly facing edge for contact with a threaded component threadably inserted into the lampholder, the locking member permitting threaded insertion of the threaded component and preventing inadvertent threaded removal.
    Type: Grant
    Filed: January 11, 1980
    Date of Patent: October 13, 1981
    Assignee: Gilbert Products
    Inventor: Gilbert R. Lieberman
  • Remotely controlled electric switch
    Patent number: 4150264
    Abstract: A remotely controlled pneumatically operated switch consisting of a pneumatic actuator and a mechanical switch assembly and interconnecting pneumatic tubing. The switch assembly has extending contact blades for insertion into an electrical receptacle, and also has slot recesses for receiving the contact blades of an electrical plug. The switch is opened or closed by the action of a rotatable cam on an electrically conductive spring arm. The assembly provides for convenience in switching and also provides a safety factor to the user.
    Type: Grant
    Filed: May 2, 1978
    Date of Patent: April 17, 1979
    Assignee: Gilbert Products Incorporated
    Inventor: Gilbert Lieberman