Unblocking door bolt


# Name
1Miss.Nichada Limkul
2Mr.Kittidech Naennok
3Mr.Suphot Weerapanyanont
4Mr. Chirdsak Pinitchai


# Name
1Mr.Prakaipetch Chookoh
2Miss Naritsara Sakaew
3Mr.Chaturon Sutto
4Mr. Jattarin Ruckchat
5Mr. Surasak Ketpakapee

Nakhonratchasima Polytechnic College

Type of : English Presentation Innovation and Invention Based on Research Methodology Contest


This research aims to develop the unblocking door bolt and evaluate the satisfaction after using this equipment. The satisfaction was determined from sample group of 50 people who used this innovation. The data was applied with 5-level of satisfaction. Percentage, mean and standard deviation were used to be the statistical representation.The result showed that the satisfaction was at the highest level after using this product, which were 4.72 and 86.36 for mean and percentage respectively. The most apparent satisfaction was the utilization of this equipment into commercial product. And the second most was the easiness.

Features and Benefits

It is an anti-occlusion of the socket of door bolt. The bar of door bolt can therefore be easily slid into its socket.
1.The door bolt can be easily unblocked after using this equipment.
2. Unblocking door bolt prevents blockage of bolt holes.
3. This "Unblocking door bolt" could be implemented into commercial product.