An electric bell located either in or outside the hoistway and should be audible to building operating personnel; it is connected to a pushbutton in the car operating panel, and is available to elevator passengers for summoning aid in emergencies.   A second, battery operated bell, is recommended located on the car itself as a backup or for use dur [..]

Moving member(s) of a brake, lined with friction material which, when in contact with the brake drum, holds the elevator at floor level.   On some types of control, it will stop the elevator when power is removed from the hoist motor.

A device, usually of carbon or graphite composition, used to connect a circuit with the rotating or moving portion of a DC motor, generator or other electrical device.   It carries current to and from the non-moving parts of connections.

A device located in the pit designed to stop a descending car or counterweight beyond its normal limit of travel by absorbing and dissipating the kinetic energy of the descending car or counterweight. •  OIL BUFFER:

A buffer utilizing a spring to dissipate the kinetic energy of the descending car or counterweight.

The load-carrying unit, including its platform, frame, enclosure, and car door or gate.

A set of weights roped directly to the elevator car of a winding-drum type installation.   In practice, this weight is equal to approximately 70 percent of the car weight.

An electrical device, the function of which is to prevent operation of the driving machine by the normal operating device unless the car door or gate is in the closed position.

The top and the walls of the car resting on and attached to car platform.

The supporting frame to which the car platform, upper and lower sets of guide shoes, car safety and the hoist ropes or hoist rope sheaves, or the plunger of a direct plunger elevator are attached.