Trowel

Details Trowel Trowel

1989-04-10

1990-05-22

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Implements

Mason's trowel or float

15245, B05C 1710

Patent

active

049265199

ABSTRACT:
A plastic trowel wherein strength is achieved through use of a blade with a smooth lower side and with handle-retaining members integral with an upper side. Strengthening ribs are disposed on the upper side of the blade. A ribbed handle includes end portions having broad flat areas for contacting the upper face of the blade. Openings in the end portions engage bosses defining the handle-retaining members. The bosses are upset to fasten the handle to the blade. Fastening may be supplemented by cementing or ultrasonic welding the abutting surfaces of the end portions and the blade.

REFERENCES:
patent: 3419297 (1968-12-01), Diepenhorst et al.
patent: 3458618 (1969-07-01), Burns et al.
patent: 4316302 (1982-02-01), Clark
patent: 4817231 (1989-04-01), Ocwieja

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