A firearms hammer, when neither fully cocked nor fully at rest, is often described as being in a “depressed” state. This typically occurs in revolvers with exposed hammers, particularly those manufactured by Smith & Wesson. In this state, the hammer is partially lowered, blocking the firing pin from striking the primer but also preventing the cylinder from rotating freely. This serves as a safety mechanism, preventing accidental discharge if the weapon is dropped or jarred. For example, some older Smith & Wesson revolvers utilize a hammer block safety that engages when the hammer is slightly lowered, providing a measure of protection against unintended firing.
The concept of a partially lowered hammer as a safety feature is historically significant in firearm development. It represents an intermediate step between relying solely on careful handling and the incorporation of more modern, internal safety mechanisms. While not foolproof, this design element offered a critical layer of protection in early revolver designs and highlights the ongoing evolution of firearm safety technology. Understanding this mechanism is essential for safe handling and proper functioning of these specific firearms, particularly older models. It underscores the importance of familiarizing oneself with the specific mechanics of any firearm before handling it.
