Question

Number of Bevel gears in the main shaft is:

• A. Two
• B. Three
• C. Four
• D. Five

Answer 1

Answer:

A. Two

SPOOL SHAFTS

•  Number of spool shafts in a typewriter -2
• The gear fixed at the lower end of the spool shaft  is called : Bevel gear
• Ribbon spool rotates with the help of spool shaft and Mainshaft
• Rotation movement transmit to the ribbon from main shaft through Bevel gears
• Number of  Bevel gears in the main shaft  : Two (Right and Left)
• Bevel gears on the ribbon spool shaft causes lengthwise movement of ribbon .

Main shaft

• Main shaft is a rod which  consists of Bevel gears connecting to ribbon spool shafts
• Main shaft is controlled by : Ribbon Reverse Key
• Main shaft is also known as :  Long gear shaft