Application Fields: Builders Hardware
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The initial design brief for the slave lock was that it had to have suitable mechanical properties to meet security door standards, have minimum design complexity, and use the most logical material for its purpose. Initially a hybrid construction was considered, using...
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A four-piece miter gear assembly utilized zinc die casting for strength and precision. Both pinion gear shafts and housing halves are die cast net-shape, achieving full functionality without a cost penalty compared to alternative designs (thermoplastic housing/gears...
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The main feature of this lock design is that the handle is cast with a cylindrical shaped wall, but it is then post formed to a spherical shape. If the Alloy 3 used for this casting did not have high ductility, the final shape could not be achieved and the pressure...
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To meet market requirements, Medeco wanted to develop a new high security lock priced just below its top-of-the-line dropbolt lock. The high-end lock model is all brass. The housing cover is investment cast, and the thumbturn is a machined extrusion. As other...
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A worm/helical gear set operates the linkage attached to the roof window frame. Originally, the helical gears were machined from brass, reinforced with a formed steel insert and installed with a plastic washer/spacer. The assembled gear’s cost became a factor when...
