Abstract: A press-type fastener comprises a retaining bottom base, a retaining block, a press top base, an action toothed block, and a one-way toothed belt. The retaining block is fastened pivotally with the retaining bottom base while the action toothed block is fastened pivotally with with the press top base. The one-way toothed belt is fastened or unfastened by the action toothed block when the press top base is pressed and released repeatedly.

Abstract: An adjustable fastener for interconnecting a first part and a second part, comprising: an elongate rack adapted to be secured to the first part and having a row of teeth; and a slider adapted to be fastened to the second part and movable on and along the rack for locking engagement therewith at a selected position. The slider comprises a housing having a longitudinal channel for passage therethrough of the rack, and a groove extending transversely of and opening toward the channel. A locking member is slidably held within the groove for locking engagement with one of the teeth. Elongate resilient means extends in an along the channel for normally retaining in its free state the locking member in locking engagement with said one of the teeth, the locking member being movable along the groove out of locking engagement with said one of the teeth against the force of the resilient means.

Abstract: A fastening device used to operate a closure in a shoe or other object includes a grasshopper spring, a yoke spring and a molded thermoplastic plate member. A journal member of the plate member is molded around a connecting portion of the grasshopper spring and a series of slotted adjustment holes are formed in the plate member to selectively receive locking pins on the yoke member.