HOLE SAW ASSEMBLY

• Main Author: BROEKMAN HENDRIKUS JOHANNES
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2018
• Subjects: BORING; COMPONENTS OR ACCESSORIES THEREFOR; MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR; NAILING OR STAPLING MACHINES IN GENERAL; PERFORMING OPERATIONS; SAWS FOR WOOD OR SIMILAR MATERIAL; TRANSPORTING; TURNING; WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL

The invention relates to a hole saw assembly comprising a hole saw and an arbor for coupling said hole saw to a driving tool, said hole saw comprising a bottom wall provided with a hole with internalthread having a major and a minor thread diameter, and said arbor comprising a clamping device having a first and a second thread-engaging part, said first thread-engaging part extending in a longitudinal direction and having a first external surface for in use engaging the internal thread; said second thread-engaging part extending in said longitudinal direction and having a second external surface for in use engaging the internal thread; said first and second thread-engaging parts moveable with respect to one another with a component in a direction perpendicular to said longitudinal direction, allowing said first and second thread-engaging parts to displace between a first or disengaged position with respect to one another for together providing a first circumference allowing retractionfrom or insertion in said