Oarton turned up at her address, banging on the door, before barging his way into her home.
He tried to snatch the phone and made threats, stating it would be “the last thing she would do”.
He also made threats to her with a knife - although he did not actually have one.
He grabbed her and twice, spat at her and prevented her from calling the police or escaping.
On another occasion, on October 17 last year he banged at her door and accused her of having been with someone else and warned her he would find her and slice her face up.
Norwich Crown Court heard Trower, who had taken drugs, had split up with his girlfriend prior to the crash.
Trower appeared at Norwich Crown Court on Tuesday (February 9), having previously admitted four counts of causing serious injury by dangerous driving and two charges of drug driving.
He was sentenced to two years in prison and disqualified from driving for three years.
Stephen Bates
Stephen Bates
- Credit: Norfolk Constabulary
The incident took place on May 14, 2017, and Bates had arranged to go to the King’s Head pub in Loddon with the victim.
The court heard Bates got in his transit van while the victim got on his electric bike to go to the pub.