Staple removing device

Details Staple removing device Staple removing device

1997-10-14

2001-05-01

Scherbel, David A. (Department: 3723)

Implements or apparatus for applying pushing or pulling force

Staple puller

Reexamination Certificate

active

06224035

ABSTRACT:

BACKGROUND OF THE INVENTION
This invention relates to a device for removing staples or similar fasteners from paper, drawing boards and the like material. The existing devices mutilated the paper during staple removal or break the pin because of the pulling action. In absence of positive grip available in conventional staple removers sometimes only one leg is pulled out of the paper stack. It is also observed that certain staple removers are useful for only certain type or size of the staples and are not universal in application. The present invention is an improved staple removal device that more securely grasps the legs and there by bridge of the staple firmly to remove it from paper it holds without breaking the pin or part remaining in the paper or tearing or mutilating the paper. An another object of this invention is to provide a device having these advantages and capacities and which is extremely simple and durable in its construction, readily and easily operated and comparatively inexpensive to manufacture.
SUMMARY OF THE INVENTION
This invention consists of staple removing device for removing various sizes of staples secured to plurality of sheets of paper or associated material. This modified device has a notch formed by inner and outer members to assist in staple removal process. Taper shaped inner member is adapted to go beneath the bridge of the staple to lift the legs for holding and the staple legs are sandwiched between two said members. This grip provided by the notch and in combination with the leverage and force provided by the inner member from underneath the bridge removes the staple by lifting the device on its side one at a time. In addition outer members are pivoted on inner member to hold the legs of staple like a plier. Serrations provided on the notch prevent staple legs from slipping while removal. Thus the improvement made in the device do not allow the staple to break or to remain in the stack of paper and mutilate the paper. Device having these advantages and capacities and which is extremely simple and durable in its construction, readily and easily operated and comparatively inexpensive to manufacture. The conventional staplers can adopt this device for ready use because of its simple construction.
These and other objects and advantages of the present invention will be fully apparent from the following description when taken in connection with the annexed drawings:


REFERENCES:
patent: 957124 (1999-02-01), Young
patent: 1430497 (1922-09-01), Engberg
patent: 3310288 (1967-03-01), Berry
patent: 4219187 (1980-08-01), Brumfield
patent: 4691427 (1987-09-01), Hill
patent: 5865425 (1999-02-01), Meadows

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