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A hinge mounting assembly for an associated door panel is used for mounting to a panel to a storage rack. The rack generally includes at least one post having a front face and a side face. The front face has slots therein and the door panel generally has at least one bore defined therein. The hinge

A hinge mounting assembly for an associated door panel is used for mounting to a panel to a storage rack. The rack generally includes at least one post having a front face and a side face. The front face has slots therein and the door panel generally has at least one bore defined therein. The hinge mounting assembly has a post plate and a door clamping member. The post plate has a hinge portion with a first end and a second end. The first end has bearing surfaces and an intermediate helical bearing surface. A door clamping member is pivotally mounted to the post plate. The door clamping member has a hinge post with a bearing surfaces and a helical bearing surface. The helical bearing surfaces enable the hinge mounting assembly to be "self closing" as well as reversibly mounted to the post.

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A hinge mounting assembly for an associated door panel is used for mounting to a panel to a storage rack. The rack generally includes at least one post having a front face and a side face. The front face has slots therein and the door panel generally has at least one bore defined therein. The hinge

A hinge mounting assembly for an associated door panel is used for mounting to a panel to a storage rack. The rack generally includes at least one post having a front face and a side face. The front face has slots therein and the door panel generally has at least one bore defined therein. The hinge mounting assembly has a post plate and a door clamping member. The post plate has a hinge portion with a first end and a second end. The first end has bearing surfaces and an intermediate helical bearing surface. A door clamping member is pivotally mounted to the post plate. The door clamping member has a hinge post with a bearing surfaces and a helical bearing surface. The helical bearing surfaces enable the hinge mounting assembly to be "self closing" as well as reversibly mounted to the post. s claimed in claim 6, wherein the distance between the UV sensitive photocathode and the single wire anode is less than a photocathode diameter D. 8. The detector as claimed in claim 3, wherein the diameter of the single wire anode is larger than 0.1 mm. 9. The detector as claimed in claim 3, wherein the diameter of the single wire anode is between 0.1 and 3 mm. 10. The detector as claimed in claim 3, wherein the diameter of the single wire anode is between 0.3 and 1 mm. 11. The detector as claimed in claim 2, wherein the anode is a multiwire arrangement. 12. The detector as claimed in claim 11, further comprising a lens or focusing mirror in front of the detector to image a flame or spark in front of the detector onto the UV sensitive photocathode, and wherein the readout arrangement is adapted to separately detect charges induced by electrons, and to convert these separately detected charges into a readout signal indicative of the image of the flame or spark in front of the detector on the UV sensitive photocathode. 13. The detector as claimed in claim 12, wherein the readout arrangement is adapted to detect charges induced by the moving electrons temporally resolved to thereby detect temporal properties of a flame or spark in front of the detector. 14. The detector as claimed in claim 12, wherein the readout arrangement is adapted to detect charges induced by the moving electrons temporally resolved to thereby detect a frequency of flame oscillations of a flame in front of the detector. 15. The detector as claimed in claim 2, wherein the anode is planar and includes an array of anode elements. 16. The detector as claimed in claim 1, wherein the detector is adapted to operate in any of proportional, Geiger or streamer modes. 17. The detector as claimed in claim 1, wherein the UV sensitive photocathode consists of at least a solid, a liquid or a gas. 18. An automatic fire or spark alarm comprising at least one detector for detecting the presence of a flame or spark in front of the detector and an alarm unit adapted to generate an alarm signal in response to a detected presence of a flame or spark in front of the detector, wherein the detector is the detector as claimed in claim 1. 19. The automatic alarm as claimed in claim 18, wherein the alarm unit includes a sound generator adapted to generate a sound in response to said alarm signal. 20. The automatic alarm as claimed in claim 18, wherein the alarm unit includes a transmitter adapted to transmit the alarm signal to a remotely located site. 21. The automatic alarm as claimed in claim 18, wherein said alarm unit is adapted to generate an alarm signal in response to a detected flame, spark or smoke by said at least one detector. 22. A method for detecting the presence of a flame or spark, comprising the steps of: arranging a UV sensitive photocathode such that UV light from a flame or spark can strike the UV sensitive photocathode; applying a voltage between said UV sensitive photocathode and an anode such that photoelectrons emitted from the UV sensitive photocathode, when struck by UV light from a flame or spark, are forced to move towards the anode; detecting charges induced by electrons moving towards the anode to thereby detect the presence of a flame or spark; arranging a chamber filled with a gas such that photoelectrons emitted from the UV sensitive photocathode can interact with the gas when moving towards the anode; and adapting a detector to avalanche multiply photoelectrons emitted from the UV sensitive photocathode. 23. A method for automatic fire or spark alarming comprising the steps of detecting the presence of a flame or spark and generating a fire alarm signal in response to the detected presence of a flame, wherein the flame or spark is detected as claimed in claim 22.