×

Retractable device for a desk lamp

  • US 5,101,332 A
  • Filed: 04/30/1991
  • Issued: 03/31/1992
  • Est. Priority Date: 04/30/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A retractable device for a desk lamp comprising:

  • a tubular cylindrical casing having an end for connecting with an appropriate position of said desk lamp;

    a piston rod provided with an outer end for connecting with an appropriate position of the desk lamp and extending into said cylindrical casing;

    an annular ring fixedly mounted within said cylinddrical casing for receiving a first rubber ring;

    a cap engaged with the other end of said tubular cylindrical casing;

    a plug mounted at the other end of said tubular cylindrical casing; and

    a second rubber ring disposed between said cap and said plug.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×