US 4,389,912 AGranted

Tweezers for removal of dual in-line pin (DIP) components

AssigneeEdsyn, Inc.

InventorsRobert E. Dallons, William S. Fortune

Life of this patent

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Abstract

A pair of tweezers specifically designed for removing DIP (dual in-line pins) components or other electronic components from a circuit board. To this end, the tweezers include a pair of legs secured together at the top portion and having a sharply inwardly bent end portion formed with claws for engaging the pins of a DIP component. Near the curved ends of the tweezers there may be provided a bumper for each leg extending through an opening in the leg. The bumper serves the purpose to hold the DIP component between the curved end portions and the bumpers. A sliding clamp is provided which is of general U-shape and provided with an elongated slit. The clamp may be secured by a knurled nut extending through an opening in the legs of the tweezers. Hence, the clamp may be slid downwardly of the legs to squeeze them together. Thus, the opening between the jaws may be adjusted to the size of the component to be removed. A spring-biased pin may alternatively be secured to the lower portions of the legs to assist in withdrawing the DIP component. Finally, the jaws may be made exchangable by simply removing the lower portions of the tweezers. They may be removably secured together by an interlocking construction of the two end portions of the legs.

Claims11

Dependent claims

A pair of tweezers for removing a DIP component from a circuit board comprising:

(a) a pair of tweezer legs of identical shape, each of said legs having an upper portion which is substantially straight, followed by an inwardly curved, convex portion and followed, in turn, by an oppositely curved portion;
(b) each of said legs having a sharply inwardly bent end portion formed into claws for gripping a DIP component, and a circular aperture near the inwardly curved end portion;
(c) means for securing the uppermost portions of said legs together;
and
(d) a sliding clamp having two parallel portions for sliding along the upper portion of said legs and interconnected to form a U-shaped structure, said clamp being rotatable with respect to said legs when disposed at the uppermost portion of said legs, each of said parallel portions being provided with a centrally located elongated slit, and means on said upper portions of said legs and extending through an opening for securing said clamp in a desired position along said slit with respect to said legs, to space said claws a desired distance apart for gripping a particular DIP component, whereby a row of pins of a DIP component may be straightened out by placing it between the upper portions of said legs when said clamp is rotated away from said legs and thereafter squeezing said legs together by said clamp, and whereby the space between said claws is adjustable by sliding said clamp up or down.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 06/237,330Filed 23 Feb 1981
Granted: 28 Jun 1983
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

B25B 9/02
Hand-held gripping tools other than those covered by group B25B7/00: without sliding or pivotal connections, e.g. tweezers, onepiece tongs
Y10T 29/53174
Means to assemble electrical device: means to fasten electrical component to wiring board, base, or substrate
Y10T 29/53283
Means to disassemble electrical device: means comprising hand-manipulatable implement
Y10T 29/53943
Means comprising hand manipulatable tool: hand gripper for direct push or pull