Trowel ring guard for a concrete finishing machine

- Wacker Corporation
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Description

FIG. 1 is a left-side elevation view of a trowel ring guard for a concrete finishing machine incorporating a first embodiment of my new design and also illustrating, in phantom lines, a concrete finishing machine which is usable with the trowel ring guard design of this embodiment and which does not per se form part of the claimed invention;

FIG. 2 is a top plan view of the trowel ring guard for a concrete finishing machine of FIG. 1;

FIG. 3 is a bottom plan view of the trowel ring guard for a concrete finishing machine of FIG. 1;

FIG. 4 is a left-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 1;

FIG. 5 is a right-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 1;

FIG. 6 is a rear-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 1;

FIG. 7 is a front-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 1;

FIG. 8 is a left-side elevation view of a trowel ring guard for a concrete finishing machine incorporating a second embodiment of my new design and also illustrating, in phantom lines, a concrete finishing machine which is usable with the trowel ring guard design of this embodiment and which does not per se form part of the claimed invention;

FIG. 9 is a top plan view of the trowel ring guard for a concrete finishing machine of FIG. 8;

FIG. 10 is a bottom plan view of the trowel ring guard for a concrete finishing machine of FIG. 8;

FIG. 11 is a left-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 8;

FIG. 12 is a right-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 8;

FIG. 13 is a rear-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 8; and,

FIG. 14 is a front-side elevation view of the trowel ring guard for a concrete finishing machine of FIG. 8.

Referenced Cited
U.S. Patent Documents
4331297 May 25, 1982 Gipson
4629359 December 16, 1986 Sengupta
5372452 December 13, 1994 Hodgson
5405216 April 11, 1995 Allen et al.
Other references
  • Wacker Corporation; Brochure; Concrete Power Trowels; Jan., 1996.
Patent History
Patent number: D390765
Type: Grant
Filed: Jan 9, 1997
Date of Patent: Feb 17, 1998
Assignee: Wacker Corporation (Menomonee Falls, WI)
Inventor: Ronald R. Sartler (West Bend, WI)
Primary Examiner: Antone Duval Davis
Law Firm: Nilles & Nilles, S.C.
Application Number: 0/64,727
Classifications
Current U.S. Class: D 8/70
International Classification: 0801;