Powered trimmer

• US 6,880,251 B2
• Filed: 06/06/2003
• Issued: 04/19/2005
• Est. Priority Date: 06/07/2002
• Status: Expired due to Fees

• Current Assignee: Richard L. Gambert
• Original Assignee: Richard L. Gambert
• Inventors: Gambert, Richard L.
• Primary Examiner(s): PAYER, HWEI SIU CHOU
• Application Number:
  US10/456,314
• Publication Number:
  US 20030226262A1
• Time in Patent Office: 683 Days
• Field of Search: 302/76, 302/961, 302/98, D 8/8, 56/127
• US Class Current: 30/296.1
• CPC Class Codes: A01D 34/902 Ergonomic provisions
• CPC Class Codes: B25F 5/02 Construction of casings, bodies or handles B25F5/006, B25F5/008 take precedence

Abstract

A powered trimmer unit has been developed for single arm/hand use and without the need to bend over during use. The powered trimmer unit for grass and brush in attached to both a persons upper arm and forearm whereby the trimmer unit becomes an extension of the operator'"'"'s arm and can readily be manipulated by one arm. This powered unit relieves the level of fatigue in the use of powered trimmer units since it does not require the use of two arms and a bending over during use.

Claims

1. A powered trimmer unit comprising a shaft having a power unit adjacent one end and a trimmer device adjacent another end, said shaft one of directly or indirectly providing a first gripping means to grip an upper arm of an operator and providing a second gripping means to grip the forearm of said operator, the trimmer device forward of the second gripping means and the power unit rearward of the first gripping means whereby the powered trimmer unit can be used with one hand of the operator to trim ground level vegetation while the operator remains upright.

2. A powered trimmer unit as in claim 1 wherein said first gripping means comprises a semi-rigid cuff and at least one flexible strap, said flexible strap tightens around said upper arm of said operator.

3. A powered trimmer unit as in claim 1 wherein said second gripping means comprises a flexible material, which extends over said forearm, at least one adjustment strap securing said flexible material to said forearm.

4. A powered trimmer unit as in claim 1 wherein said first gripping means comprises a semi-rigid cuff and at least one flexible strap, said flexible strap tightens around said upper arm of said operator, and said second gripping means comprises a flexible material which extends over said forearm, at least one adjustment strap securing said flexible material to said forearm.

5. A powered trimmer unit as in claim 1 wherein adjacent said second gripping means there is a hand grip shaft.

6. A powered trimmer unit as in claim 5 wherein said hand grip shaft is an arm adjustably attached to said shaft.

7. A powered trimmer unit as in claim 6 wherein said hand grip shaft has a means for controlling the speed of said power unit.

8. A powered trimmer unit as in claim 1 wherein said trimmer device is a rotating serrated disc.

9. A powered trimmer unit as in claim 1 wherein said trimmer device is a rotating blade.

10. A powered trimmer unit as in claim 1 wherein said trimmer device is a rotating string.