Kenmore 80 series dryer keeps tripping breaker after it runs for 5-10 minutes

Not clear what you mean by "opened the lint trap a little" but you might want to make sure that your exhaust duct is completely clear of lint or obstructions.

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You either have a bad off/ on switch or one of the wires iis burned of f the plug.

A breaker thrown that many times indicates a serious electrical problem. You need to have the problem taken care of by an electrician. You should be worried about the safety of yourself and your family.
That being said, I would guess that breaker has gone bad and needs to be replaced.

The Kenmore 80 Series of dryers are consumer grade dryers for home use. As with most home appliances, the Kenmore 80 series dryers will occasionally not work as intended. If a problem occurs with your dryer, however, you do not necessarily need it serviced by a technician. You can attempt to troubleshoot and fix any problems with your dryer before contacting a technician.

1. Kenmore 80 Series dryers may not run for several reasons. First, make sure that the power cord is plugged into a working power outlet. You may need to plug a different device into the outlet to check that it is receiving power. If the second device does not run on the power outlet, you may have blown a fuse or tripped a circuit breaker. Check your fuse box or circuit breaker box and make the change as needed.
   Next, make sure that the dryer door is fully shut. The dryer will not run with the door ajar.
   Finally, check that the "Start" button was fully pressed and that a cycle was chosen on the machine. If you do not choose a cycle for the dryer, it will not run.
2. If your Kenmore 80 Series dryer does not heat up during use, check that a heat cycle has been chosen for the load. There are several different dryer cycles you can choose, some of which do not use heat. Make sure that you have chosen a heated cycle.
   As above, check that you have not blown a fuse or tripped a circuit breaker. The dryer may use more than one fuse or breaker: one is used to power the drum, and the other for the heating element. Make sure that both fuses or breakers are in working order.
3. There may be times when Kenmore Series 80 dryers do not fully dry your clothes. When this occurs, check the lint screen and clear out any lint. The air may not flow as well if the lint screen is clogged.
   Next, check to see if the exhaust vent is clogged. Lint and other particles may clog the exhaust vent over time, restricting air flow and making it more difficult to dry your clothes. To check the vent, run the dryer and hold your hand under the vent. If you do not feel any air flow, clean or replace the vent.
   If you used cold water to rinse the clothes it may take longer than normal to dry. The same is true if the load of laundry is very wet or is filled with items that are very absorbent.
   Finally, check the load size. The more clothes in the load the longer it will take to dry. If you want to reduce drying time, separate the clothes into piles of light and heavy items and dry them separately.
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Check your load/AMP capacity.
If you have other electrical appliances on ie. Iron, Heater, toaster, Kettle these will contribute to the over loading problem.
Old homes sometimes only have 40-80 amp capacity

There is no reset. If you dryer just stopped heating or running all together, you most likley have one of two problems.

1. Breaker inside house breaker box tripped
2. Thermal fuse and or thermal cut off has gone bad

Thanks for the question Your problem is with your breaker its weak and wont hold you reset it it works againfor a while Happens a lot When this happens again touch the breaker you will feel its hot also check the connections at dryer and at box where you plug your dryerin see if the prongs of the cord are lost its copper color . thanks for the question the appliance docs

definatly a prob if tripping breaker every5 miin, resetting breaker is not good for either the breaker nor hte dryer, that would be hard to determine why without actually looking at though, i would probably calll someone to have a look at that one

dryers take a lot of power to run.the circuit is tripping because it cannot take the load of the dryer.you may have to get a dryer line installed.check the value on the circuit breaker.u need to use twice that value on the dryer.with clothes added to the dryer the motor takes more current to spin.this extra current is greater than the circuit breaker value so it trips to prevent the house wire from going on fire.