RotoBATH - Rotating Bathtub

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Although RotoBATH are walk-in bathtubs specially designed for seniors and people with mobility difficulties, they can also be used by the whole family regardless of their physical conditions or age. RotoBATH is far easier and safer to enter than a conventional bathtub. Furthermore because of their unique and attractive shape like a pod and cradle combined and coupled with a futuristic look in its appearance, they are therefore a “must have” home device for families who love hi-tech equipment in their home. Other than functioning as a bathtub for bathing, it also comes with many built in facilities for user added ease of usage, safety and enjoyment during their bath.

RotoBATH consists of a rotating pod with a bath-chair built inside, but is designed in such a way that the pod will move independently from the chair which is built to be stationary. The pod is hinged on a set of rolling pins pivoted against a set of enclosed mechanical gears which is enclosed inside a metal compartment, which on activation will enable the bathtub to rotate from vertical to horizontal position. The rotation functions are all pre-programmed before use.

When the switch is put on “start” mode, the position of the entrance into the pod would be directly facing the user based on a vertical position while 2 sets of barrier gates situated on both the left and right side of the pod would be automatically extended outwards. Their action is to prevent anybody from standing too near to the bath especially when the pod is starting to rotate. When a user wants to take a bath, what they should do is to walk inside the bath device, sit down comfortably while for those with special needs they should strap themselves with the safety harness hanging from the rear of their seat before activating the switch to launch the pod to move into the next stage.

On activation of the switch, the pod will slowly rotate from horizontal to vertical position. When it reaches its pre-programmed level, it will immediately stop. Thereafter user can choose and activate the activity or functions they like which include:
1) Hot air blowing from their seat and side-walls
2) Hot, cold or warm water coming in through inlet pipe or shower.
3) Activate water recycling system to enable their bath water to be recycled
for use again
4) Broadcasting of audio and video
5) Vibrating chair action
6) Switching on communications channels to speak to someone
outside using WIFI
7) Emergency Panic Button

User may choose to soak themselves inside a full bathtub of water or just shower. Once they finished their bath, user can activate to release the bathwater and at the same time switch on the hot/warm air again if the surroundings conditions are too cold.

Once the water is totally drained, the pod will automatically rotate itself back to its original vertical position. On reaching its designated position, it will stop and the user can exit it right away.



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  • Name:
    Stefan Chew
  • Type of entry:
    Team members:
    Stefan Chew, Yazid Malek, Dominic Then, Cliff Siaw
  • Profession:
    Business Owner/Manager
  • Number of times previously entering contest:
  • Stefan's hobbies and activities:
    Skiing, Designing, Reading, swimming
  • Stefan belongs to these online communities:
    Facebook, Linkedin
  • Stefan is inspired by:
    Safety is obviously a primary concern for the elderly and the handicapped where mobility capability and ease of bathing should not be overlooked. Once a person becomes disabled, using a bathroom can become an ordeal; especially if assistance from a nurse or family member is required. A proper handicap and elderly bathroom design allows a disabled or elderly individual to bathe without the assistance of another person

    Though the above issues are affecting million of people around the world especially with an aging population ballooning annually, it is however surprising that there are not many new innovations available to assist these poor souls. As such me and my team decided to research into creating a walk-in bathtub that is safe and easy to be used for use for this group of people.
  • Patent status: