Suction fastening device |
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| 申请号 | US23871372 | 申请日 | 1972-03-27 | 公开(公告)号 | US3863568A | 公开(公告)日 | 1975-02-04 |
| 申请人 | US NAVY; | 发明人 | FREDERICK ARTHUR F; | ||||
| 摘要 | A device for permanently fastening an object to a substantially planar surface including suction inducing apparatus and weapon support apparatus connectable thereto. The suction inducing apparatus includes a suction cup which, upon rotation of a camming lever, induces a vacuum when applied against a surface. The lever rotation also causes an elongate stem to protrude from the suction cup housing. After attachment of the suction inducing apparatus to the surface, the weapon support apparatus is fastened onto the elongate stem in a manner so as to permanently prevent the withdrawal thereof thereby permanently maintaining suction. The support apparatus includes a cylindrical housing enclosing a tensioned locking spring overlying a stem receiving bore. When the support apparatus is coupled to the suction apparatus by inserting the stem in the bore, the spring locks the stem in position. The support apparatus also includes channels formed therein for weapon support cables. | ||||||
| 权利要求 | 1. A suction device for permanently fastening an object to a surface comprising: suction inducing means attachable to said surface; suction maintaining means for permanently maintaining said suction inducing means in said attached condition and for attaching said object to said suction inducing means including: a suction cup maintainable in a suction inducing configuration; an elongate stem having one end connected to said suction cup and the other end connectable to said maintaining means; said stem movable between a normally inoperative position wherein said suction cup is in a relaxed configuration and an operative position wherein said suction cup is in a suction inducing configuration and said stem is in a position to be connected to said suction maintaining means; a tapered camming surface formed at said other end of said stem; a groove circumferentially formed adjacent said tapered end; a first housing enclosing said suction cup and receivable of said stem; and cam means pivotally associated with said stem for moving said stem between said normally inoperative position and said operative position. 2. The device as recited in claim 1 wherein said suction maintaining means includes: a second housing having a stem receiving opening formed therein, said second housing possitionable over said cam means when said stem is moved to said operative position; and locking means within said second housing for permanently locking said second housing over said cam means to prevent said cam means from moving; whereby said suction cup is retained in said suction inducing configuration. 3. The suction device as recited in claim 2 wherein said second locking means includes: a wire locking spring positioned within said housing overlying said stem receiving opening, said spring having a serpentine configuration defined by three reverse bends in a single geometrical plane. 4. The suction device as recited in claim 3 wherein said locking means further includes a cylindrical insert permanently receivable within said second housing, said insert having cable receiving grooves formed in the cylindrical surface thereof, and one of the planar surfaces of said insert adapted to bear against said locking spring. 5. The suction device as recited in claim 4 having an outer shell provided over said suction inducing means, said shell containing positively buoyant floatation material. |
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