Mechanism for applying pre-load to bevel gear device

A mechanism for applying a pre-load to a bevel gear device, comprising:

• first and second shafts, one of which is axially movable, wherein bevel gears are fixed to ends of said shafts in mesh with each other in which a turning force applied to one of said shafts is imparted to the other;
• first spring means for applying a first force to said movable shaft in an axial direction toward said bevel gear of said second shaft;
• and
• second spring means for applying a second force to said movable shaft in a direction opposite said first force, said second force being weaker than said first force.

A mechanism for applying a pre-load to a bevel gear device comprising:

• first and second shafts, one of which is axially movable, wherein bevel gears are fixed to ends of said shafts in mesh with each other in which a turning force applied to one of said shafts is imparted to the other;
• first spring means disposed about said movable shaft and spaced from the end of said movable shaft on which the bevel gear is fixed, for applying a first force to said movable shaft in an axial direction toward said bevel gear of said second shaft;
• and
• second spring means adjacent the end of said movable shaft on which the bevel gear is fixed, for applying a second force to said movable shaft in a direction opposite said first force, said second force being weaker than said first force.

A mechanism for applying a pre-load to a bevel gear device, comprising:

• first and second shafts, one of which is axially movable, wherein bevel gears are fixed to ends of said shafts in mesh with each other in which a turning force applied to one of said shafts is imparted to the other;
• an angular bearing disposed about said movable shaft and spaced from the end of said movable shaft on which the bevel gear is fixed;
• first spring means adjacent to said angular bearing for applying a first force to said movable shaft in an axial direction toward said bevel gear of said second shaft;
• and
• second spring means adjacent the end of said movable shaft on which the bevel gear is fixed for applying a second force to said movable shaft in a direction opposite said first force, said second force being weaker than said first force.