| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a safety net support arm which can be mounted to and released from a cylindrical support of a scaffold using only a striking tool, such as a hammer, used with high frequency in exterior wall works and the like. <P>SOLUTION: A safety net support arm which is attached to a scaffold to support a safety net includes: a wedge-shaped locking member which is lockably/unlockably locked to a lock receiving member vertically opened and projected to the scaffold; a support member which is provided continuously to the locking member; an arm member whose base end is supported by the support member and which directly supports the safety net; and a contact member whose base end is provided continuously to the support member and whose tip end contacts with a cylindrical support. <P>COPYRIGHT: (C)2013,JPO&INPIT |
