Patent ID: 7302745
Filing Date: 2007-12-04
Classification: A47L,B25G,F16B,Y10T

Abstract:
1. A method for locking a first tube member relative to a second tube member, comprising: providing a first tube member in operative engagement with a second member, a locking member having an axial slit defined therein, a first wedge member turned in a first axial direction and a second wedge member turned in a second axial direction that is opposite to the first axial direction; telescopically moving the first tube member relative to the second tube member; moving wedge members, to create a first distance between the first wedge member and the second wedge member, to engage the axial slit of the locking member so that the locking member is urged against the first tube member or the second tube member to lock the first tube member relative to the second tube member; and activating a maneuvering member to create a second distance between the first wedge member and the second wedge member to release the first tube member from the second tube member, the second distance being different from the first distance.