User:MichaelFrey/hypocycloid Straight-line Mechanism

https://en.wikipedia.org/w/index.php?title=Tusi_couple&type=revision&diff=759969213&oldid=758411970

The Tusi couple is also known as Cardan's movement, named after Gerolamo Cardano.

Technical usage
A toothed tusi couple can be used as an Straight line mechanism.

This application is also known as hypocycloid Straight-line Mechanism.

Printing presses
Hypocycloid Straight-line Mechanism where used in some Printing presses.

Engines
James White, an English engineer living in France, published the mechanism in 1801 in his book "New Century of Ineventions". He received 1801 a medal from Napoleon Bonaparte for his design featuring a hypocycloid Straight-line Mechanism and a few steam engines where build with this mechanism.

Matthew Murray introduced his Hypocycloidal Engine in 1802.

Raoul Marchou Elie was 1937 granted a patent for a Hypocycloid Engine which employed a hypocycloid Straight-line Mechanism and one cylinder. In 2006 Randall Wiseman was granted a patent for a Hypocycloid Engine which employes a hypocycloid Straight-line Mechanism and two cylinders. An opposed piston engine design using a hypocycloid Straight-line Mechanism was patented 2007.