Locking trowel covers

Details Locking trowel covers Locking trowel covers

2006-03-28

2006-03-28

Luong, Shian T. (Department: 3728)

Special receptacle or package

For a tool

C206S038000

Reexamination Certificate

active

07017739

ABSTRACT:
Plastering/cement trowels have sharp edges which can cut a worker when he places the trowel down in a resting position. The present invention provides a plastic sheath to insert the trowel into during the resting mode of use. This sheath also prevents nicks and dents to the trowel while it is transported. An optional sharpening file is attached to the top of the sheath. Various sheath embodiments include a narrowed rear section of a longitudinal slot on the upper member which functions to hold the spine of the trowel in the slot, a rubber membrane stretchable over the blade, a pair of pincer members on the top of the sheath to lock the shank of the trowel into the sheath, a tether on top of the sheath to lock the shank of the trowel into the sheath, and a rear door for the blade slot.

REFERENCES:
patent: 2190811 (1940-02-01), Van Zeeland
patent: 2517649 (1950-08-01), Frechtmann
patent: 2528059 (1950-10-01), Kendrick
patent: 2952028 (1960-09-01), Robbins
patent: 3710929 (1973-01-01), Morales
patent: 5020255 (1991-06-01), Rodel
patent: 5530984 (1996-07-01), Walker
patent: 5592767 (1997-01-01), Treske
patent: 5632569 (1997-05-01), Szmansky
patent: 5938010 (1999-08-01), Osterbye
patent: 6585112 (2003-07-01), Levin et al.
International Search Report for International Application PCT/US02/14466.

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