There are also various springs in the daily necessities. In stationery, the clip for holding a paper document can also be said to be a spring. The wire is formed by a curved bent needle to form a wire spring. Used to staple paper and documents [[Stapler] is usually a combination of a leaf spring and a coil spring. The coil spring is used to push the staple forward mechanism, and the sheet from which the staple is pushed out is a leaf spring. In a ballpoint pen with a striking mechanism, a coil spring is used to take out and insert the pen tip. Some ballpoint pens have a mechanism to support the nib ball, which is about 1 mm.
Springs are also used to hang clothes to wash clothes. Some things use torsion springs and those that use ring springs in their clothespins. Weighing scales also have the type of springs used. [[Spring Scale] uses a tension coil spring, the weighing mechanism, can be said to be a sample of Hooke's Law.
Two types of coil springs are used in mechanical clocks. One is a spring of a contact coil spring that generates power to propel the clock needle. The other is a component of a non-contact coil spring called a balance spring for the clock speed escapement of the timepiece. This is the return of the balance spring connected to the part of the balance, moving the needle to the correct time .
Some toys use various features of the spring. The amazed box is a classic toy that pops up a resilience pop-up toy when the lid is opened. The music box vortex spring, as a power, makes a sound. This is an example of how a spring can be used to accumulate energy as elastic energy and gradually release the spring. The clockwork of a toy model car is also the power source for the operation of the coil spring.