Importance

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Abstract

A locking device for releasably securing a first member to a second member which second member has an opening therein for receiving a portion of the first member, a groove in the portion of the first member within the opening, a cylindrical pin in the second member extending across the opening in the first member and in the groove in the second member in one angular position thereof, a portion of which pin is removed so that in another angular position the pin does not extend into the groove in the first member. In one modification, the pin is bowed slightly to provide spring like interference to movement thereof. In another modification, the central portion of the pin is eccentric whereby the central portion of the pin extends into the groove in the first member in one rotated position of the pin, and is completely out of the groove in another rotated position. In a further modification, the second member includes a cylindrical selecting part and a rotatably mounted securing part. In this embodiment, the securing part has a sigle opening therethrough and the selecting part has a plurality of radially extending angularly spaced apart openings in the outer periphery thereof which can be aligned with the single opening of the securing part, while the second member includes a pin secured thereto operable to extend through the single opening of the securing part and any of the selected openings of the selecting part of the first member.

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First Claim