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Glossary
- Button
- The term "button" is used in some industries to refer to an oval head stud
which resembles a button.
- Cam
- The cam is the milled opening on the end of a stud. This opening is used
to engage the receptacle and lock the stud in place via the detent in the cam.
- Deflection
- Deflection is the amount of movement of the receptacle spring when locked
on to the stud. The stud is secured in place by the pressure of the spring in
the cam. In order for the spring to ride over the cam to the locked position,
the spring must be deflected (moved). The minimum / maximum / actual
deflection is the amount of this movement. Minimum is the amount which must be
moved in order for the lock to be secure. The maximum deflection is the amount
which, if exceeded, would prevent the stud from locking on. The actual
deflection is the amount of spring movement calculated based on the parameters
provided.
- Gap
- The gap is a space between the panel and the support. This space may be
occupied by a gasket or any interposing material, or it may be air space.
- Panel
- The panel is the surface on which the stud is located.
- Retainer
- The retainer is a part which is used to secure (retain) the stud in the
panel to keep the stud from falling out of the hole.
- Receptacle
- The receptacle is a device to which the stud is locked to hold the panel
closed.
- Stud
- The stud is the main item which engages the receptacle and secures the
panel to the support.
- Support
- The support is the surface to which the receptacle is mounted.
- Undercut
- The undercut is a part of the stud which is smaller in diameter than the
stud shank. The undercut is located directly under the head. This decreased
diameter is where the retainer fits to prevent the stud from coming out of the
mounting hole.
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