×

Drum lock device

  • US 5,199,286 A
  • Filed: 12/16/1991
  • Issued: 04/06/1993
  • Est. Priority Date: 12/16/1991
  • Status: Expired due to Fees
First Claim
Patent Images

1. A locking device for a drum having a head with two openings therethrough, each opening having a flanged portion with interior threads thereabout, said locking device comprising, in combination:

  • a pair of caps, each having at one end an exteriorly threaded portion for cooperative functional relationship with a corresponding one of said flanged portions and at the other end a wall, in turn, comprising;

    shoulder means for receiving a closure gasket, said shoulder means being dimensioned to fit within a corresponding one of said drum openings;

    an open ended cylindrical member with a plurality of pairs of apertures therethrough having 180-degree spacing between the apertures of each pair, said apertures extending, with the cap installed in the corresponding opening, beyond and external to the drum head;

    a locking bar with an elongated body dimensioned to extend, with both caps installed in the corresponding openings therefor, through the apertures of both caps, said locking bar having means for retention at one end and means for locking at the other end;

    a closure gasket on said shoulder means, said closure gasket structured of a resilient material so as to permit alignment of the apertures without unsealing the drum; and

    ,whereby, during installation of the locking bar, when the caps are rotated to align the apertures, the drum is maintained in a sealed condition; and

    , when the locking bar is locked, the rotation of the caps is precluded.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×