1938

Introduction of Bumpers and the Tilt Mechanism.

With the introduction of bumpers, pinball machines gained their first active, electrically powered playfield elements. This innovation significantly changed the gameplay and made machines far more dynamic.

 

Bumpers react when the ball touches them and automatically kick it away using electromagnetic power.
This greatly increases the speed of the game, sending the ball unpredictably across the playfield.
At the same time, bumpers create the familiar loud knocking and clicking sounds that became a signature of pinball machines.
The active kickback mechanism makes gameplay faster, more exciting, and more dramatic.

Another important innovation of this era is the tilt pendulum mechanism.
This mechanical safety system detects when players try to shake or lift the machine excessively.
If too much movement is detected, the machine triggers a tilt, immediately stopping the game.
This prevents players from manipulating the ball by physically moving the cabinet.

With the tilt mechanism, fair gameplay can be technically enforced for the first time.
The combination of active bumpers and tilt protection made pinball machines faster, louder, and more controlled.
Both features remain essential components of modern pinball machines.