Resources Contact Us Home
Ball server with delay element for delaying time period of serving a ball

Image Number 3 for United States Patent #6719649.

A ball server includes a server seat, a movable rod inserted into the server seat, an elastomer, a touch plate, and a delay element within the server seat. In using, the movable rod is pressed so as to buckle the touch plate and the movable rod is interacted with the delay element, the ball will flatly place on the movable rod. When the ball server is actuated, the movable rod will be driven by the delay element so that it rises slowly, but after a time period, the action of the delay element is released and the movable rod rises rapidly and at the same time, the ball rises. When the movable rod is operated by the delay element, the batter can prepare for next beating.

  Recently Added Patents
Image processing apparatus and image processing method
Resin composition and display device using the same
Optical navigation device with image sensor and inner housing
Method of creating exercise routes for a user and related personal navigation device
Managing method and apparatus for servicing contents provided by content provider
Method and apparatus for belling plastic pipe
  Randomly Featured Patents
Method for making a micro-fluid ejection device
Vehicle seat
Apparatus for controlling bounce of hydraulically powered equipment
System and method of rendering interior surfaces of 3D volumes to be viewed from an external viewpoint
Process for preparing a hydrogel
Method to produce gamma titanium aluminide articles having improved properties
Slide rule plaque
Simultaneous transmission of speech and data over an analog channel
Method of controlling amenity products or rotating machines
Bridge-buck converter with self-driven synchronous rectifiers