×

Chalk holding device

  • US 6,793,429 B2
  • Filed: 07/24/2001
  • Issued: 09/21/2004
  • Est. Priority Date: 07/26/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. Chalk holder comprising inner and outer axially movable hollow members having a plurality of stop surfaces associated therewith, at least one stop surface formed interior of the outer member, at least another stop surface on the inner member located interior of the outer member, the inner and outer member'"'"'s stop surfaces being in opposition to one another inside of the outer member, the stop surfaces effective to limit relative axial movement of the members, the inner member having chalk engaging collet fingers at one end thereof projectable beyond an end of the outer member, a spring received interior of the outer member effective to urge the fingers towards a position interior of the outer member.

View all claims
  • 18 Assignments
Timeline View
Assignment View
    ×
    ×