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Copy of The Cup Lifter

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Kayleigh Richards

on 5 November 2013

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Transcript of Copy of The Cup Lifter

The Cup Lifter
"Helping Hands Project"
A closer look at the
Cup Lifter;
Target Audience:
The Cup Lifter is a project designed to safely and efficiently raise a cup of water 60cm. This is designed for people who may not be able to bend over or have the strength to safely lift the drink. The device uses a motor and a pulley system to safely raise the cup 60cm.
Future Designs:
How Is My Design Eco-Friendly:

Why I Chose The Design:
Materials used:

I chose to use a pulley system with a motor because it is a simple design that everyone can use. With a simple flick of the switch the cup will raise 60cm and let the person easily take the cup out or simply drink straight from the device.
The batteries will need to be replaced regularly, and in future designs I would incorporate more eco-friendly power sources.
The structure is stable and cannot be knocked over easily, something that is essential in a hospital setting where my device will be used most often.
The target audience for the Cup Lifter is people with disabilities, or people who may be unable to lift a cup safely. The Cup Lifter is ideal for a hospital setting where people who need help drinking can have some freedom to drink by themselves. The hospitals can buy the Cup Lifter for any patients who would usually need a nurse to help them. This takes some of the pressure of the nurses and doctors so they can attend to any other needs of the patient. Some disabilities that can affect this are
-Neurotrauma (damage to the brain)
-Ataxia (is a disease that affects coordination, jerky movements)
-Dystonia (causes involuntary movement and prolonged muscle contraction)
These are three diseases that affect patients in hospital settings, making the cup lifter the best way to let the patients drink by themselves.
- people without the capability can now drink by themselves
- doesn't require much maintenance
- nurses and doctors in a hospital setting can allow the patient more freedom
-the person operating the cup lifter has the ability to be more independent
-cup could spill
-patient may not have the coordination to operate the cup lifter
-batteries need to be replaced often
-two, 6 volt batteries
-a DC motor (direct current)
-pulley system
- 4 pieces of wood
-duct tape
-2 gear pieces
-metal bar (to attach the pulley)
-metal bar (keeps the gears from sliding apart)
-electrical box (holds the connections of the wires)
-nails and screws
How The Cup Lifter Works:
An elevator is a similar system to the cup lifter and partly what the design was based off of. The elevator works by using pulley systems to lift the elevator car. Cables are attached to a counterweight and they run through a pulley system at the top of the elevator shaft. When the counterweight goes up the elevator goes down and the opposite. My Cup Lifter does not use counterweights but it uses the same idea for the pulley system. The string runs through the pulley before wrapping around the metal bar connected to the motor.
Similar Systems:
The cup lifter uses 2, six volt batteries to run the motor. In future designs I would use a more eco-friendly power source such as solar panels. Although batteries are less expensive and ideal for the cup lifter.
Also to reverse the motor you have to switch the wires connecting the batteries. This problem can be solved by adding another switch in the electrical box but this made things too complicated and I wasn't able to connect the switch.
A singular pulley system is connected to a metal bar which supports the cradle for the cup. The pulley system is attached behind a gear connected to a small metal bar. The gear is then connected to another gear on the motor. The wires connected to the motor then run into the electrical box which connect to another set of wires that you can touch to the metal of the batteries to make it spin. The motor spins, turning the metal bar and raising or lowering the cup. To switch between raising and lowering you have to switch the wires connecting the batteries. This works because you are reversing the polarity of the batteries, therefore reversing the way the motor turns. When you run the electrical current one way through the wire it spins the motor one direction. then when you reverse the polarity the motor spins the other direction because of the flow of electricity.
My design is eco friendly because it uses a more direct source of energy. A battery is most likely made and then charged using nuclear energy. There is minimal shipping and other things involved in you buying and using a battery. Now if you were to use human power lets say this might take the energy of raising the animals we eat, harvesting our vegetables and so forth. Then we must ship the food to our stores and buy it and take more energy to take it to our homes and eat the food. So in some ways a battery is more efficient than using other sources of power because it is much more direct than lets say human power.
In conclusion the cup lifter is an eco-friendly device that can safely lift a cup 60cm. It can be sold in rehabilitation centers and hospitals to give patients more freedom and older people the ability to do things on their own.
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