Air cylinder

- Peninsular, Inc.
Description

FIG. 1 is a top, front and right side perspective view of an air cylinder showing my new design;

FIG. 2 is a bottom, rear and left side perspective view thereof;

FIG. 3 is an enlarged top plan view thereof;

FIG. 4 is an enlarged front elevational view thereof, the rear being substantially similar in appearance;

FIG. 5 is an enlarged right side elevational view thereof;

FIG. 6 is an enlarged left side elevational view thereof;

FIG. 7 is a top, front and right side perspective view of a second embodiment thereof;

FIG. 8 is a bottom, rear and left side perspective view of the embodiment of FIG. 7;

FIG. 9 is an enlarged top plan view of the embodiment of FIG. 7;

FIG. 10 is an enlarged front elevational view of the embodiment of FIG. 7, the rear being substantially similar in appearance;

FIG. 11 is an enlarged right side elevational view of the embodiment of FIG. 7;

FIG. 12 is an enlarged left side elevational view of the embodiment of FIG. 7;

FIG. 13 is a top, front and right side perspective view of a third embodiment thereof;

FIG. 14 is a bottom, rear and left side perspective view of the embodiment of FIG. 13;

FIG. 15 is an enlarged top plan view of the embodiment of FIG. 13;

FIG. 16 is an enlarged front elevational view of the embodiment of FIG. 13, the rear being substantially similar in appearance;

FIG. 17 is an enlarged right side elevational view of the embodiment of FIG. 13;

FIG. 18 is an enlarged left side elevational view of the embodiment of FIG. 13;

FIG. 19 is a top, front and right side perspective view of a fourth embodiment thereof;

FIG. 20 is a bottom, rear and left side perspective view of the embodiment of FIG. 19;

FIG. 21 is an enlarged top plan view of the embodiment of FIG. 19;

FIG. 22 is an enlarged front elevational view of the embodiment of FIG. 19, the rear being substantially similar in appearance;

FIG. 23 is an enlarged right side elevational view of the embodiment of FIG. 19;

FIG. 24 is an enlarged left side elevational view of the embodiment of FIG. 19;

FIG. 25 is a top, front and right side perspective view of a fifth embodiment thereof;

FIG. 26 is a bottom, rear and left side perspective view of the embodiment of FIG. 25;

FIG. 27 is an enlarged top plan view of the embodiment of FIG. 25;

FIG. 28 is an enlarged front elevational view of the embodiment of FIG. 25, the rear being substantially similar in appearance;

FIG. 29 is an enlarged right side elevational view of the embodiment of FIG. 25; and

FIG. 30 is an enlarged left side elevational view of the embodiment of FIG. 25.

FIGS. 3, 4, 9, 10, 15, 16, 21, 22, 27 and 28 are shown with portions omitted for ease of illustration, and the broken-line showing of various elements is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
D173065 September 1954 Darr
D264972 June 15, 1982 McMillin et al.
385319 June 1888 North
1596356 August 1926 Hughes
2336240 December 1943 Gavin
2349253 May 1944 Edmund
4021027 May 3, 1977 Blatt
4458889 July 10, 1984 McPherson et al.
4632018 December 30, 1986 Lymburner
4681992 July 21, 1987 Kazmierski
Foreign Patent Documents
0044287 January 1982 EPX
2342419 September 1977 FRX
1202663 August 1970 GBX
Other references
  • Lincoln Controls Hydraulic; Pneumatic Systems & Equipment catalogue (1982), p. 186, Sheffer Series MH Hydraulic Trunnion Front Mount, style TF. Bellows-Valvair brochure (1966), front page, "Air Motor". Stellhorn catalogue (1982), p. 104, Air-Hydraulic Cylinder. 5 Sheets from General Motors Publication No. PED-704, published 9/30/82 (which illustrate Fisher A Style AP Model Cylinders).
Patent History
Patent number: D295753
Type: Grant
Filed: Apr 28, 1986
Date of Patent: May 17, 1988
Assignee: Peninsular, Inc. (Roseville, MI)
Inventor: Richard L. LaBair (Pontiac, MI)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Harness, Dickey & Pierce
Application Number: 6/857,780
Classifications
Current U.S. Class: Pump Or Compressor (D15/7)