Hand tool forms right angles in electronic component leads so they fit the spaced holes of a printed circuit board. This tool firmly holds the leads at points near the component ends to prevent damage and provide accuracy

Glenn, C. G.

English

NASA Technical Reports Server

Die Block 
)ie
nponent 
nponent 
ding Die 
Die Block Yoke Shaped Jaw 
July 1966	 Brief 66-10346 
NASA TECH BRIEF 
NASA Tech Briefs are issued to summarize specific innovations derived from the U. S. space 
program and to encourage their commercial application. Copies are available to the public from 
the Clearinghouse for Federal Scientific and Technical Information, Springfield, Virginia 22151. 
Tool Forms Right Angles in Component Leads 
Die Block
The problem: 
To devise a tool for forming the leads of electronic 
components, such as resistors and capacitors, into 
right angle bends so they will fit the spaced holes of a 
printed circuit board. Round nosed pliers, commonly 
used for this purpose, frequently damage the compo-
nent or a lead. 
The solution: 
A hand tool that bends the leads of an electronic 
component while firmly holding the leads at points 
near the component ends. This tool prevents damage 
to the leads and to the component, and forms the leads 
more accurately than is possible with pliers. 
How it's done: 
The tool consists of a pivoted pair of levers having 
handles and jaws and resembles a pair of pliers in 
overall appearance. The tool has one yoke shaped jaw 
which is used to form the leads. The other (lower) jaw 
includes a removable electronic component-holding
die which holds the component firmly by each of its 
leads. The component holding die is arranged to pivot 
up inside the yoke of the other jaw. The yoke- shaped 
upper jaw has adjustable die blocks which are made 
to fit snugly against the sides of the component hold-
ing die when the jaws are closed. Thus, when the com-
ponent holding die on the lower jaw is holding an 
electronic component and the die blocks on the 
upper jaw are properly spaced, the two jaws may be 
pivoted together to force the component leads down-
ward in a neat right angle bend. 
Notes: 
1. A related innovation is described in NASA Tech 
Brief B65-10181, June 1965. 
2. Inquiries may also be directed to: 
Technology Utilization Officer 
Marshall Space Flight Center 
Huntsville, Alabama 35812 
Reference: B6640346
(continued overleaf) 
This document was prepared under the sponsorship of the National 	 Government assumes any liability resulting from the use of the 
Aeronautics and Space Administration. Neither the United States	 information contained in this document, or warrants that such use 
Government nor any person acting on behalf of the United States	 will be free from privately owned rights.
https://ntrs.nasa.gov/search.jsp?R=19660000345 2020-03-11T17:39:52+00:00Z
Patent status: 
Inquiries about obtaining rights for the commercial 
use of this invention may be made to NASA, Code 
GP, Washington, D.C. 20546.
Source: C. G. Glenn 
(M-FS-722) 
Brief 66-10346	 Category 05


Tool forms right angles in component leads

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