Tools – Receptacle closure remover – With additional receptacle-engaging means
Patent
1992-08-20
1994-07-05
Parker, Roscoe V.
Tools
Receptacle closure remover
With additional receptacle-engaging means
81 356, B67B 700
Patent
active
053257413
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to a can lid remover.
More particularly, the invention relates to a can lid remover for use when opening a paint can or other can, at its upper end provided with an opening, surrounded by an outer peripheral flange and closed by a lid having a central main portion, sunk into the can opening, a cylindrical wall portion, projecting in an upward direction from said main portion, and an outer peripheral flange which is provided at the upper end of said wall portion and by means of which the lid is supported resting on said flange of the can with its cylindrical wall portion in contact with the inner side of the can, said can lid remover comprising a pair of mutually expandable wedge means which may be driven in between the lid flange and the can flange in adjacent initial positions in which they are located in side-by-side relationship in a common plane and which, after having been driven in between said two flanges, may be moved in relation to each other in a direction substantially perpendicular to said plane to mutually expanded positions while lifting the lid flange from the can flange.
A can lid remover of the above kind is previously known through SE-B 448 369. However, since this known can lid remover is difficult to handle and, in addition, easily may cause injuries, it has not found any appreciable practical use.
When driving in the two wedge means between the lid flange and the can flange, it is necessary to hold the can with one hand while holding the remover in the other hand and manually holding the two wedge means in their adjacent initial positions by means of the latter hand, and simultaneously to press the remover against the can with a sufficient force to drive in the wedge means between the two flanges. Also during the subsequent movement of the wedge means to their mutually expanded positions, it is necessary to hold the can with one hand while applying a sufficient force on the wedge means to expand them by the other hand and simultaneously still pressing the remover against the can by the latter hand in order to ensure that the wedge means will be maintained inserted between the two flanges.
In practice, the above operations cannot be carried out in a safe and reliable manner. Instead, a user runs a great risk of slipping with the remover, in which case he may cause substantial damages to the can as well as to the lid and also injure the hand by which he is holding the can, if he happens to hit this hand with the remover.
The invention has for its purpose to provide an improved can lid remover of the above kind which eliminates the drawbacks of the known remover above described.
The can lid remover, according to the invention proposed for the above purpose, is primarily characterized in that it also comprises a holder-up which is located in front of the wedge means and adapted to be applied against the inner side of the cylindrical wall portion of the lid and which may be moved in relation to the wedge means from an outer end position at a greater distance from the wedge means to an inner position at a shorter distance from the wedge means while forcibly driving in the wedge means between the lid flange and the can flange, and means for releasably holding the wedge means in their adjacent initial positions during at least an initial portion of the movement of the holder-up from its outer end position to its inner end position.
By providing the can lid remover with a holder-up of the above kind, it is possible to eliminate the prior need for holding the can with one hand. Moreover, the risk of slipping with the remover and the connected risk of damages and injuries are also eliminated.
By additionally providing the remover with means for releasably holding the wedge means in their adjacent initial positions, the use of the remover may also be substantially simplified as the wedge means need not be manually held in their desired mutual positions during the movement of driving in them between the two flanges.
In order to facilitate the desired placement of the w
REFERENCES:
patent: 2473870 (1949-06-01), Eastman
patent: 4425826 (1984-01-01), Morris
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