HAND-HELD ELECTRICALLY OPERATED CIRCULAR SAW WITH A DETACHABLE AND ROTATABLE SAW UNIT

摘要

An electrically-driven circular hand saw comprising a motor housing (11), an electric motor and a saw unit (12) which are detachably connected to the motor housing. The motor housing includes a support neck (18) and an output drive shaft (24) which carries and drives the saw unit. The saw unit includes a saw head (20) which incorporates a bevelled gearing (21), input and output drive shafts (22, 25) connected to the gearing, and a support device (26) which is mounted on the output shaft and which carries a circular saw blade (27). The saw unit also includes a guide sleeve (13) which can be fitted detachably to the support neck (18) so as to carry the saw head (18) and to guide a connection (23) between the drive shaft (24) of the motor housing and the input drive shaft (22) connected to the gearing. The motor housing (11) suitably comprises a standard electric hand drill.