| 摘要 |
A handle assembly for use with a planar member forming an opening and having first and second sides, the assembly including a handle member moveable between at least first and second positions and mounted on the second side of the planar member adjacent the opening, an extension member rigidly connected to and extending from the handle member through the opening, a cam at least linkable to at least one of the handle member and the extension member for movement therewith and at least a first contact including a activation member, the first contact closing when the activation member is activated, the cam, extension member and activation member positionable in a first relative juxtaposition with respect to each other such that when the handle member is in one of the first and second positions, the cam activates the activation member and, when the handle member is in the other of the first and second positions, the cam releases the activation member.
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