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US 4,788,840 AGranted
Bung plug locking device
OwnerDonald J. Wilson, Jr.inventor
Life of this patent
Estimating the term…
Abstract
A drum locking device which comprises a telescoping locking bar means, one end of which fits into locking relationship with one of a pair of lugged closure members and the other end of which fits over the other of said pair of lugged closure members, and a lock securing the device to prevent removal of the contents of the drum.
Claims14
A locking device for a container having a pair of threaded openings comprising:
- a pair of closure means, each being threaded to be received in one of said threaded openings;
- each closure means having an upstanding lug with an opening therethrough;
- a pair of interfitting bar members, each having an end and a portion of a different width closely adjacent to said end and an opening therethrough adjacent said end, the different width portion of one member being received in the opening of one of said lugs, and the opening of said other member fitting over the other of said lugs;
- and
- locking means engaging the opening of said other of said lugs.
2 more elements
A locking device for a container having a first and a second threaded bung hole comprising:
- a first and a second bung lug, each being threaded to be received in one of said threaded bung holes;
- each bung lug having an upstanding portion with an opening therethrough;
- a pair of telescoping locking bars, each having at least one reduced width portion and an opening therethrough adjacent their free ends, the reduced width portion of one locking bar being received in the opening of one of said lugs, and the opening of the other locking bar being received over the other of said lugs so that the opening of the last-named lug is free of said locking bar means;
- each bar having a slot therein and a flanged end, each bar slot receiving the other bar in telescoping relationship and permitting the locking bars to be adjustable for different bung hole spacings;
- and
- locking means engaging the opening of said lug which is free of said locking bar.
3 more elements
A method for locking bung holes of a container to prevent the removal of the container's contents comprising:
- applying a flanged member to the bung hole closures, so as to remove said closures from the bung holes;
- inserting a lugged closure member into each bung hole, each lugged closure member having an opening therethrough;
- interfitting a pair of said flanged members, one end of each having a dfferent width portion and an opening therethrough, the different width portion of one flanged member being received in the opening of one of said lugs, and the opening of the other flanged member being received over the other lug so that its opening is free of said flanged member received thereover;
- and
- inserting a locking means through the opening of said last mentioned lug.
2 more elements
Dependencies are inferred from the claim text.