SEPARATOR PLATE FOR POWER TOOL

• US 20080196376A1
• Filed: 02/15/2007
• Published: 08/21/2008
• Est. Priority Date: 02/15/2007
• Status: Abandoned Application

• Current Assignee: Husqvarna Outdoor Products Incorporated
• Original Assignee: Husqvarna Outdoor Products Incorporated
• Inventors: Berti, Phyllis, Berti, Jerome L.
• Application Number:
  US11/675,328
• Publication Number:
  US 20080196376A1
• Time in Patent Office: Days
• US Class Current: 56/233
• CPC Class Codes: A01G 3/053 motor-driven
• CPC Class Codes: Y10T 74/18296 Cam and slide

Abstract

A gearbox for a handheld power tool is provided, including a housing, a main gear disposed within the housing and including a plurality of cams attached thereto. A drive gear is engaged with the main gear for driving the main gear. The gearbox also includes a plurality of cutting members configured to engage the plurality of cams. Rotation of the main gear causes rotation of the cams to thereby cause the cutting members to move in a reciprocal manner. The gearbox also includes a separator plate attached to the housing. A portion of the separator plate is disposed between the plurality of cutting members to inhibit contact between the cutting members. In one example, the separator plate includes a leg section configured to be secured to a portion of the power tool.

Claims

1. A gearbox for a handheld power tool, including:

a housing;

a main gear disposed within the housing and including a plurality of cams attached thereto;

a drive gear engaged with the main gear for driving the main gear;

a plurality of cutting members configured to engage the plurality of cams, rotation of the main gear causing rotation of the cams to thereby cause the cutting members to move in a reciprocal manner; and

a separator plate attached to the housing, a portion of the separator plate being disposed between the plurality of cutting members to inhibit contact between the cutting members.

2. The gearbox of claim 1, wherein at least one end of the separator plate is attached to the housing with a major portion of the plate being spaced a distance from a portion of the housing.

3. The gearbox of claim 2, the major portion extending along a first plane, the end attached to the housing extending along a second plane, the first plane being spaced a distance vertically from the second plane.

4. The gearbox of claim 1, wherein the separator plate further comprises a pair of leg sections having an aperture located therebetween, the aperture being configured to receive the drive gear.

5. The gearbox of claim 1, wherein the main gear includes a shaft and the plurality of cams are attached to the shaft, and wherein the separator plate includes a hole extending therethrough for receiving the shaft.

6. The gearbox of claim 1, wherein the plurality of cams comprises a pair of eccentric cams and the plurality of cutting members comprises a pair of cutting members, each cutting member being configured to engage one of the cams, rotation of the main gear causing rotation of the cams to thereby cause the cutting members to move in an alternating, reciprocal manner.

7. The gearbox of claim 6, wherein one of the pair of cutting members is located vertically above the other cutting member, the separator plate being configured to inhibit contact between a superjacent cutting member and a subjacent cutting member.

8. The gearbox of claim 1, wherein the handheld power tool includes a hedge trimmer.

9. A gearbox for a handheld power tool, including:

a housing;

a main gear disposed within the housing and including a pair of eccentric cams attached thereto;

a drive gear engaged with the main gear for driving the main gear;

a pair of cutting members configured to engage the pair of cams, rotation of the main gear causing rotation of the cams to thereby cause the cutting members to move in a reciprocal manner; and

a separator plate including a main portion and a leg section, the leg section being secured to the housing and the main portion being disposed between the pair of cutting members to inhibit contact between the cutting members.

10. The gearbox of claim 9, wherein the main portion of the separator plate is spaced a distance from a portion of the housing.

11. The gearbox of claim 9, wherein the separator plate further comprises a pair of leg sections having an aperture located therebetween, the aperture being configured to receive the drive gear.

12. The gearbox of claim 9, wherein the main portion extends along a first plane, the leg section extends along a second plane, the first plane being spaced a distance vertically from the second plane.

13. The gearbox of claim 9, wherein the main gear includes a shaft and the cams are attached to the shaft, and wherein the separator plate includes a hole extending therethrough for receiving the shaft.

14. The gearbox of claim 9, wherein one of the pair of cutting members is located vertically above the other cutting member, the separator plate being configured to inhibit contact between a superjacent cutting member and a subjacent cutting member.

15. The gearbox of claim 9, wherein the handheld power tool includes a hedge trimmer.

16. A separator plate for use with a handheld power tool having a plurality of gears for driving a plurality of cutting members, the separator plate including:

a main portion having a hole extending therethrough; and

a leg section attached to the main portion and configured to be secured to a portion of the power tool, the main portion being configured to be disposed between the plurality of cutting members to inhibit contact between the cutting members.

17. The separator plate of claim 16, wherein the separator plate is configured to inhibit contact between a superjacent cutting member and a subjacent cutting member.

18. The separator plate of claim 16, further including a pair of leg sections having an aperture located therebetween, the aperture being configured to receive a gear.

19. The separator plate of claim 16, the main portion extending along a first plane, the leg section extending along a second plane, the first plane being spaced a distance vertically from the second plane.

20. The separator plate of claim 16, wherein the hole of the main section is configured to receive a rotating shaft.