Abstract: A birdfeeder is made up of two subassemblies, one of them having a protective top and a lock rod extending downward from the center of the top and the other having a base with a cavity for receiving and holding bird feed, along with a reservoir, a tubular support member attached to the base and a locking mechanism attached to a reservoir wall and to the tubular support member. The lock rod, which extends only partially down the tubular support when engaged, has a groove near its lower end for receiving a spring-biased rod from the locking mechanism, connecting the two subassemblies together. A space between the lower end of the lock rod and the base allows any feed that has been spilled into the top of the tubular member in the course of loading the reservoir to fall downward away from components of the locking mechanism. Openings may also be provided in the base or in the tubular support member at location near the bottom for the same purpose.

Abstract: A birdfeeder conveniently separable for loading with bird feed is disclosed. The feeder is separable into two portions, with the mechanism for separating and holding the birdfeeder together being constructed completely integral with the two portions. In an upper portion, a lock rod connected to a protective top extends through a tube extending through a feed reservoir from a base of the birdfeeder, the base and reservoir being part of the lower portion. On a portion of the lock rod that extends into the base is provided a groove that is engaged by a spring-loaded pin, the pin in turn extending horizontally from the base and configured as a bird perch so that when the perch is pulled outward, the upper portion may be separated from the lower portion, providing access to fill the reservoir.

Abstract: This invention provides bridge girt assemblies, and modular building panels, for use in fabricating walls, floors and roofs of buildings. The panels have novel structures adapted to protect the interior of the building from intrusion of heat and cold, and/or from fire, and/or from small arms gunfire. Some embodiments also provide mechanical reinforcing connections between the building structural members and the outside of the building. The modular panels can be made entirely with noncombustible materials.

Abstract: This invention provides bridge girt assemblies, and modular building panels, for use in fabricating walls and roofs of buildings. The panels have novel structures adapted to protect the interior of the building from intrusion of heat and cold, and/or from fire, and/or from small arms gunfire. Some embodiments also provide mechanical reinforcing connections between the building structural members and the outside of the building. The modular panels can be made entirely with noncombustible materials.