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A Singer puzzle box is a collection of accessories for a sewing machine. Produced by the Singer Manufacturing Company during the 19th and 20th centuries, these neat and compact kits provide supplies and attachments for easing many common sewing tasks. At the time they were called 'Style' boxes, and were numbered consecutively from 1 ("Style No ...
The Singer Model 27 and later model 127 were a series of lockstitch sewing machines produced by the Singer Manufacturing Company from the 1880s to the 1960s. (The 27 and the 127 were full-size versions of the Singer 28 and later model 128 which were three-quarters size). They were Singer's first sewing machines to make use of "vibrating shuttle ...
By 1992, IronMind had moved all design and production of its grippers in-house. [14] The next generation of the Silver Crush Grippers, released in 1993, marked the next major step in gripper evolution; their stainless-steel handles replaced the previous chrome-plated mild steel handles, and a new assembly technique eliminated the drift pin central to the design of the older grippers. [15]
A mass market, plastic-handled gripper A gripper being closed. Grippers, sometimes called hand grippers, are primarily used for testing and increasing the strength of the hands; this specific form of grip strength has been called crushing grip, [1] which has been defined as meaning the prime movers are the four fingers, rather than the thumb.
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Unlike thimbles, the softer thimblettes become worn over time. They are considered disposable and sold in boxes. The surface is dimpled with the dimples inverted to provide better grip. Thimblettes are sized from 00 through to 3. [clarification needed] A finger cot is a smooth rubber "glove finger" used to protect the finger or the item being ...
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Capillary grippers use the surface tension of a liquid meniscus between the gripper and the part to center, align and grasp a part. Cryogenic grippers freeze a small amount of liquid, with the resulting ice supplying the necessary force to lift and handle the object (this principle is used also in food handling and in textile grasping).