Hydraulic and earth engineering – Earth treatment or control – Shoring – bracing – or cave-in prevention
Reexamination Certificate
2006-07-25
2006-07-25
Lagman, Fredrick L. (Department: 3673)
Hydraulic and earth engineering
Earth treatment or control
Shoring, bracing, or cave-in prevention
C405S288000, C405S290000, C182S182200, C182S182500, C182S186600
Reexamination Certificate
active
07080959
ABSTRACT:
A shoring device that utilizes an accessory assembly mounted to a vertical tubular member of a tubular scaffold assembly to receive a shoring member therethrough. With an adjustable threaded ring mounted over the threaded portion of said accessory assembly, a supporting surface or edge is provided to a locking pin that passes through cooperating slots in the accessory assembly and radial through holes in the shoring post member to keep the post member and the accessory assembly at a fixed position with respect to each other. The lower most end of the threaded portion comes in abutting contact with the upper end of the scaffold vertical member thus transmitting the bearing load therethrough. A user can selectively adjust the effective length of the scaffold and shoring assemblies by rotating the ring assembly.
REFERENCES:
patent: 5980160 (1999-11-01), Vanderklaauw
patent: 6871454 (2005-03-01), Coday et al.
Guerra Rene A.
Guerra Rene L.
Lagman Fredrick L.
Sanchelima & Assoc. P.A.
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