Chainsaw kickback protection device

Details Chainsaw kickback protection device Chainsaw kickback protection device

2007-10-23

2007-10-23

Payer, Hwei-Siu C. (Department: 3724)

Cutlery

Cutting tools

Saw

C030S371000

Reexamination Certificate

active

11417818

ABSTRACT:
A chainsaw kickback protection device includes a chain guard and a mounting bracket assembly. The chain guard includes an elongated guard body and a chain-engaging member. The elongated guard body has a channel extending along at least a portion of its length. The chain-engaging member is disposed within the channel extending at least partially along a length of the channel. The mounting bracket assembly includes a mounting bracket and a connection structure. The connection structure is resiliently and pivotably connected between the mounting bracket and the elongated guard body. The connection structure biases the elongated guard body to a non-displaced orientation with respect to the mounting bracket. The connection structure enables the entire elongated guard body to move from the non-displaced orientation to a displaced orientation with respect to the mounting bracket.

REFERENCES:
patent: 3059673 (1962-10-01), Woleslagle
patent: 3182695 (1965-05-01), Rigoni
patent: 3384136 (1968-05-01), McDonagh et al.
patent: 3808684 (1974-05-01), Ludwig
patent: 4193193 (1980-03-01), Holzworth
patent: 4257162 (1981-03-01), Pardon
patent: 4447953 (1984-05-01), Lombardino et al.
patent: 4841641 (1989-06-01), Laidlaw
patent: 4991297 (1991-02-01), Cain

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