The recently introduced versions, GN 113.11 and GN 113.12, are ideal for narrow spaces due to the L-handle on one side. As usual, the two balls in the pin are unlocked by pressing the button in the handle.
This function is especially important in safety-related applications since the lock prevents alternating temporary or permanent installations. Platforms, stands, projection walls at drive-in cinemas, speaker towers, and even production systems can be secured against manipulation with these lockable rapid release pins. Due to the variety of available dimensions with pin diameters from .31 in. (8 mm) to .79 in. (20 mm) and lengths up to 4.72 in. (120 mm), GN 314 is suitable for almost any application that was previously difficult to secure. As always, JW Winco can also produce other dimensions to customer specifications.
The operation is easy to explain: Turning the key 180 degrees rotates a shaft, which turns a cam in the tip of the pin. This presses a pawl laterally out of the pin. Pulling out the key fixes the pawl in place and prevents unauthorized removal of the rapid release pin. Every pin is delivered with two keys.
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Lock type SC allows all rapid release pins to be operated with the same key, while lock type SU requires a different key for each pin. In this way, groups with the same lock type can be used within a larger application featuring different lock types.
The new rapid release pin also offers high security with regard to its load carrying capacity. JW Winco determined the double shearing resistance in accordance with DIN 50141. In the test setup, the pin connects an element to another that encompasses it. The force that results in a break in both shear planes is then measured. For a rapid release pin with .39 in (10 mm) diameter, the shearing resistance is 46 kN, while a .79 in (20 mm) pin can withstand 227 kN.