Patent ID: 9612671
Date: 2017-04-04
CPC Classifications: G06F

Claim:
1. A stylus comprising: a barrel; a removable tip coupled to the barrel, the removable tip comprising: a stainless steel core comprising a cone portion and a shaft portion, wherein: the shaft portion is configured to be inserted into the barrel, the cone portion is configured to protrude outward from the barrel when the shaft is inserted into the barrel, and a cone height between a nose of the cone portion and a base of the cone portion is about 1.3 times larger than a cone width at the base of the cone portion; a coating material surrounding an exterior of at least the cone portion, wherein: the coating material comprises about 10% by weight of aramid fibers, about 15% by weight of polytetrafluoroethylene, and about 75% by weight of thermoplastic elastomer, and a first thickness of the coating material around the base of the cone portion is thinner than a second thickness of the coating material proximate to the nose of the cone portion; and a processor communicatively connected to the cone portion through the shaft portion, the processor configured to output an electrical signal from the cone portion.