Enclosures such as drawers and glove compartments are provided with a light that automatically turns on when the enclosure is opened and turns off when closed. This light has a lightbulb in circuit with batteries and a switching mechanism, including a spring and actuator for the spring which is mounted...http://www.google.ca/patents/US4442478?utm_source=gb-gplus-sharePatent US4442478 - Automatically actuated enclosure light
