Umbrella Analysis

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Introduction: Saiveina Auto Open Straight Strong Umbrella is used to protect people from rain. This umbrella is waterproof and windproof due to the advance materials used to make this umbrella. This description will introduce functions and appearance of each part of the umbrella. This umbrella contains a shaft with straight handle, 16 ribs, and a dome shaped canopy. Figure 1: Overlook of the Saiveina Auto Open Straight Strong Umbrella 1. Shaft The shaft is the center piece of the umbrella, that is used to combine all other parts of the umbrella together. The shaft is a thin cylinder shape with the height of 85 cm and is made of aluminum alloy. Figure 2: Measurement of the Saiveina Auto Open Straight Strong Umbrella 1.1. The handle…show more content…
The handle is made of EVA foam which also known as foam rubber, this material not only provided a comfortable sense of touch and reduce the weight of the umbrella, but also is a shock absorber that can reduce the wind impact to the handle. There is a nylon loop attached to the handle, which allow people to hang the umbrella when they are not using the umbrella. Figure 2: Handle of the Saiveina Auto Open Straight Strong Umbrella 1.2. The trigger The trigger located above the handle, it is the button use to open the umbrella. The top part of the trigger shaped like a triangle while the bottom of the trigger shaped like a circular button. The trigger also allows this umbrella to be semi-automatic designed, since the umbrella can open automatically when pushed the circular button of the trigger. Figure 3: Trigger of the Saiveina Auto Open Straight Strong Umbrella 1.3. Ferrule Ferrule located at the end of the shaft and is made of metal. Its purpose is to reinforce the stability of the canopy and open cap on the shaft. It also can be use as walking stick and decorative purpose. Figure 4: Open Cap and Ferrule of the Saiveina Auto Open Straight Strong…show more content…
Long Stretchers There are 16 long stretchers in the umbrella and each long stretcher connected thethe top part of runner to a rib. It also made out of durable fiberglass and is much shorter than the ribs. It’s function is to stretch out the ribs when open the umbrella. 2.2. Short Stretchers There are 16 short stretchers in the umbrella, each short stretcher connected the lower part of runner to one long stretcher. It also made out of durable fiberglass and is shorter and thinner than the long stretchers. It used to stretch out the long stretchers when open the umbrella. The design of the short stretchers allow people to use less force to open and close the umbrella. 2.3. Runner Runner is the T-shaped joint that located at the top of the shaft but below the top notch. It can be slide up and down the shaft, and control the motion of the ribs and stretchers. 2.3.1. Ring-shaped wire Ring-shaped wire is circularly around the runner and is use to mount the stretchers to the runner. 2.3.2. Lower

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