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US 4,934,022 AGranted
Conductive caster
OwnerJay D. Lissnerinventor
Life of this patent
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OwnerJay D. Lissnerinventor
Estimating the term…
A conductive caster for grounding a conductive wheeled chair having a seat and back with conductive elements which are electrically connected to a source of ground potential through the chair, the conductive caster including a caster body, caster wheels which movably support the caster body on a floor surface, an attaching stud for attaching the caster to the chair, and a flexible conductor attached to the caster body, the flexible conductor including a contact head which electrically contacts the flexible conductor to the floor surface, a spring which pushes the contact head into electrical contact with the floor surface, a ball chain attached to the caster body which prevents the contact head from extending away from the caster body more than a predetermined distance, and a connecting means for electrically connecting the flexible conductor to the chair.
An electrically conductive caster for grounding a wheeled vehicle having a conducting apparatus, the caster comprising:
A grounded wheeled vehicle comprising:
A wheeled chair for discharging a static electrical charge carried by an occupant of the chair, the chair comprising:
Dependencies are inferred from the claim text.