Patent ID: 8915392
Filing Date: 2014-12-23
Classification: E05C,E06B,F41G

Abstract:
1. A rotatable adjustment knob configured to provide a user-selected input to an optical or electronic device having a battery-powered component and an annular mounting channel, the channel defining a seat having a surface at a bottom of the channel and an outer circumferential sidewall bordering the surface, the rotatable adjustment knob comprising: a knob body mountable to the device for rotation about an axis extending outwardly from the device so that a degree of the rotation corresponds to the user-selected input, the knob body including a bottom face, an upper cylindrical sidewall section, a lower cylindrical sidewall section, and an opening into a battery compartment sized to receive a battery, the knob body, when mounted to the device, having: an electrical contact housed within the battery compartment and providing a battery connection for the battery-powered component; a lid pivotably attached to the knob body for movement between a closed position in which the lid covers the opening, and an open position in which the lid is pivoted away from the knob body and the opening to facilitate access of the battery compartment, the lid remaining attached to the knob body while in both the open and closed positions for rotation with the knob body about the axis; a resilient seal bordering the opening and confronting the knob body and the lid while the lid is in the closed position; and a latch to releasably retain the lid in the closed position.