Hand-operated lawn aerator

A hand-operated lawn aerator for extracting a plug of earth from the ground comprising:

• a tubular body having an inside wall;
• a tubular cutting head coaxially secured to the tubular body at a lower end thereof, the cutting head having an inside wall;
• a plunger disc located inside the cutting head;
• a movable plunger rod axially located within the tubular body and having the plunger disc mounted at a lower end thereof;
• a plunger handle mounted at an upper end of the plunger rod;
• a first supple and expandable washer connected to the plunger rod immediately above the plunger disc, the first supple and expandable washer having an outside diameter sized to scrape the inside wall of the cutting head when the plunger disc is moved inside the cutting head;
• a second supple and expandable washer positioned in the tubular body above the cutting head, the second supple and expandable washer having an outside diameter sized to abut the inner wall of the tubular body and further having a centrally located hole therethrough sized to slidably receive the plunger rod;
• and
• a compression spring positioned within the tubular body above the second resilient washer, the spring being connected between the plunger rod and the tubular body to normally bias the plunger rod to an uppermost position in which position the plunger disc connected to the plunger rod is located adjacent the upper end of the cutting head.