Patent ID: 7077302

Claim:
An attachment apparatus comprising: a fixing member to which a first object is releasably attached; an engaging member adapted to be releasably attached to a second object, the engaging member comprising a polygonal member having at least two pairs of parallel sides, with the fixing member being selectively releasably engaged with one of said at least two pairs of parallel sides of the engaging member and thus located in one of at least two orientations with respect to the engaging member, wherein the fixing member comprises a first side to which the first object is attached, with the fixing member further comprising a second side opposite to the first side of the fixing member, an elastic member being attached to the second side of the fixing member, a clamp member being attached to the elastic member and comprising a press end and a clamp end, the clamp end of the clamp member being biased by the elastic member to engage with the second side of the fixing member, the clamp end of the clamp member being moved away from the second side of the fixing member when the press end is pressed, wherein the engaging member comprises a passage; a fastening strap extending through the passage, the fastening strap including a first end and a second end; a sleeve being securely attached to the first end of the fastening strap; a gap being defined between the first end of the fastening strap and the sleeve; and a screw being rotatably mounted in the sleeve, with the fastening strap including a plurality of retaining grooves in a side thereof, with the second end of the fastening strap extending through the gap with the screw engaging with several of said retaining grooves such that rotation of the screw in a direction causes the fastening strap to tightly clamp the second object and that rotation of the screw in a reverse direction causes the fastening strap to be loosened from the second object.