Ideas make History

2009

Foundation of RINGSPANN Benelux, The Netherlands

 

2006

Foundation of RINGSPANN Power Transmission, China

 

2003

Development of electromagnetically released disc brakes

 

2001

Program expansion: ­torque limiters

 

2000

Foundation of RINGSPANN CORPO­RATION, USA

 

1998

Development of ­two-part shrink discs

 

1990

Development of new disc brakes

 

1987

Development of force ­limiters and new ­SIKUMAT® torque limiters

 

1978

Acquisition of the French freewheel manufacturer SIAM

 

1976

Program expansion: Cone clamping elements and disc brakes

 

1971

Invention of sprag lift off X for freewheels with high speed rotating inner rings

 

1969

Development of positive SIKUMAT® torque limiters

 

1962

Development of ­RIMOSTAT® torque limiters

 

1960

Development of flexible couplings based on the Oldham principle

 

1956

Initial development and manufacture of freewheels

 

1951

Development of mecha­nical actuated clutches and torque limiters

 

1944

Founded by Dipl.-Ing. ­Albrecht Maurer, ­development of RINGSPANN discs and ­precision workholding ­fixtures