Stapler
Geometry of Desktop Items Found in an Office or Study Space
What is a stapler?
A stapler is a small tool that you can hold in your hand or use on a table to push staples through pieces of paper in order to fasten them together. It is mainly made from plastic and metal, though sometimes there are rubber grips on it to make it easier to hold and use.
Rapesco Stapler
Rapesco is a business that sells office supplies, such as this stapler. This Rapesco stapler is mainly made of hard plastic, with metal workings on the inside. It can be bought on www.vikingdirect.ie for €13.99
Orthographic Images of Rapesco Stapler
Other views
In these two views, the stapler has been opened to reveal the inner workings of it. We can clearly see a spring and the staples ready to be used inside.
In this view, we can see another spring, this time in a vertical position, to help the stapler work as a lever.
Locus Concept Video
Locus Concept
Definition: A locus of points is a set of points that all satisfy some given condition or property.
An example of a locus would be the path of a point traced from F1 to F2 when its equal to the major axis on an ellipse. We use this property to construct an ellipse using the string method. The slider would represent the locus if the spring was a rigid piece, which is sometimes seen in other staplers.
Demonstration Video
The Lever Concept
The Crimp Area
The stapler is, put very simply, a lever. When you apply pressure to the top, the rigid body moves down from a fixed hinge, and presses the staple onto the sheet/sheets, fastening them together.
The crimp area is the metal plate at the bottom of the stapler that bends the staple into shape on the sheet. By rotating the plate, you can change how the staple is fastened onto the sheet.
Rubber Stapler
The ergonomics of this stapler are much clearer to see, as the rubber grips are shaped with indents in them to make it easier to use and hold the stapler. It is also a slightly smaller size, to fit better into someone’s hand.
Metal Stapler
This stapler is made completely of metal, with parts that have been constructed in a sheet, then bent in different places to use on the stapler.
