发明名称 |
Pilot hole drill for golf tee |
摘要 |
A golf tee drill comprising a cylindrical casing having a removable cap at a first end. A spring is mounted in the removable cap. An electric motor is provided, having a rotatable shaft. The motor is secured within a second end of the casing. A battery is within the casing between the spring and the motor. A switch is on the casing and is electrically connected between the motor and the battery. An auger drill bit is also provided, having a cone shaped collar. A coupling assembly is for attaching the auger drill bit at the cone shaped collar to the shaft of the motor. When the switch is turned on, the auger drill bit will rotate to penetrate hard ground and form a pilot hole for setting a golf tee therein.
|
申请公布号 |
US5540433(A) |
申请公布日期 |
1996.07.30 |
申请号 |
US19950404738 |
申请日期 |
1995.03.15 |
申请人 |
ENGSTROM, J. DENNIS;SPECTOR, GEORGE |
发明人 |
ENGSTROM, J. DENNIS;SPECTOR, GEORGE |
分类号 |
E21B7/00;(IPC1-7):F16L45/00;A01C5/00 |
主分类号 |
E21B7/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|