Gravity Patents (Class 256/38)
  • Patent number: 10434395
    Abstract: A method of anchoring a support structure for a batting ball on a cable includes the steps of providing at least one batting ball on a batting ball cable having a first end located opposite a second end. A cord is provided having a first end located opposite a second end. An auger is provided and has a driven end connected to a threaded portion. The auger has a removable washer and a nut. An anchoring surface is provided. A first support structure having a plate and connected to an adjustable rod is provided. An anchoring member is provided. At least one portion of the anchoring member is connected to an anchoring surface. The anchoring member has at least one opening configured to receive the auger. The batting ball on a cable is suspended when said second end of the cable is connected to a second support structure.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: October 8, 2019
    Inventor: Charles Steven Palardis
  • Patent number: 6969050
    Abstract: A crowd control stanchions having an extendible tape in which a weighted pulley system rather than a spring mechanism is used to maintain tape tension when the tape is extended and to retract the tape.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: November 29, 2005
    Inventor: Hugh G Loebner
  • Patent number: 4342459
    Abstract: Ball game apparatus comprising a pair of posts adapted to support a transverse flexible filament therebetween, at least one of such posts having an attachment point for the filament provided on a member pivotally attached to the post with the attachment point and pivot being spaced apart, said member being gravitationally biased to a predetermined position in which the filament is to be in an initial taut condition in use and being such that when the filament is pulled the amount of force about the pivot tends to return the filament to the initial taut condition.
    Type: Grant
    Filed: September 9, 1980
    Date of Patent: August 3, 1982
    Assignee: Christopher P. Bath
    Inventor: Willem J. Pretorius