Patent ID: 7311283
Filing Date: 2007-12-25
Classification: B44D,B65H

Abstract:
1. A chalk line device having a housing including a gear cavity and a chalk cavity, a chalk line, and a spool for retaining the chalk line and disposed in the chalk cavity, the chalk line device comprising: a first helical gear disposed in the gear cavity; a second helical gear disposed in the gear cavity and engaging the first helical gear; a locking assembly comprising a first lock member and a second lock member lockingly engaging the first lock member, wherein the first lock member comprises a body member and a pair of legs integrally attached to the body member wherein the pair of legs includes a first leg and a second leg, the first leg having a first locking flange disposed on its end and extending perpendicular thereto, wherein the first locking flange secures the first lock member to lockingly engage with the second lock member; and, wherein the second lock member engages with one of the first or the second helical gears in cooperation with a movement of the first lock member.