Abstract

A radiographic projector (10) for housing and projecting a radioisotope for use in radiography is described. The front end of the projector has a chamfered surface (12) for receiving an ancillary shielding component. The material used for the front end surface of the projector is tungsten powder in a less dense material matrix. A locking mechanism (30) for a projector is described, including a locking bar for locking a source holder in the projector. The locking mechanism includes an interlock section for retaining the locking bar in an unlocked position while a source holder is not in its storage position, and a latch section for latching the locking bar in the unlocked position prior to engagement of the interlock section. A holster for mounting a radiographic projector and a retraction cage for a remote windout mechanism are also described.

IPC Classes  ?

• G21F 5/015 - Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation unitsRadioisotope containers
• G21F 5/02 - Transportable or portable shielded containers with provision for restricted exposure of a radiation source within the container
• G05G 5/02 - Means preventing undesired movements of a controlling member which can be moved in two or more separate steps or ways, e.g. restricting to a stepwise movement or to a particular sequence of movements
• G21F 5/12 - Closures for containersSealing arrangements