Chain saw extension structure

Details Chain saw extension structure Chain saw extension structure

1990-06-25

1991-03-19

Phan, Hien H.

Cutlery

Cutting tools

Saw

302961, B27B 1702

Patent

active

049999176

ABSTRACT:
A drive transmitting extension structure and a chain saw having the drive transmitting extension structure. The chain saw also has a drive motor and a cutting head, both engaged to the drive transmitting extension structure. The drive transmitting extension structure has a first receiver member for being removably connected to the drive motor; a second receiver member for being removably secured to the cutting head; and an upper tube and a lower tube which are connected to the first and second receiver member. A drive chain is engaged to the drive motor and to the cutting head and passes through the upper tube and the lower tube. A first and second spacer member are connected to the upper and lower tubes. A first and second bolt engages adjustably the first and second spacer members respectively for holding the upper and lower tubes in the first and second receiver members.

REFERENCES:
patent: 4341017 (1982-07-01), Janczak
patent: 4520563 (1985-06-01), Marceau
patent: 4884340 (1989-12-01), Newman
patent: 4916818 (1990-04-01), Panek

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