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US 12,584,584 B2Granted
Vacuum system component mechanism
OwnerShih-Chen Chang, Chih-Chun Koinventors
Life of this patent
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Abstract
A door lock structure is disclosed. The door lock structure is used to mount a fire door and includes a base, a pressing component, a pressing shell and a locking component. The base is disposed on the fire door and has an accommodation groove, and a groove bottom of the accommodation groove has a first locking hole. The pressing component includes a pressing base, a roller column, a fixing plate, an elastic part and a locking part.
Claims7
A vacuum system component mechanism, comprising:
- a pump support base;
- an upper support part, wherein one end of the upper support part is fixed to a bottom surface of the pump support base;
- and
- a joint bearing connected to an other end of the upper support part in an angle-adjustable manner, wherein the joint bearing comprises:
- a plate;
- a bearing base horizontally disposed on one surface of the plate, wherein a through hole is formed through a center of the bearing base;
- and
- a universal ball bearing rotatably disposed in the through hole.
5 more elements
Dependencies are inferred from the claim text.