Punch press apparatus

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Description

FIG. 1 is an isometric view showing a first embodiment of a punch press apparatus, embodying our new design;

FIG. 2 is a side elevational view taken from the right of FIG. 1;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is an isometric view of a second embodiment.

The embodiment of FIG. 5 is identical to that of FIGS. 1-4, inclusive, except for the locations of the cylinders, there being two downwardly-projecting cylinders in the embodiment of FIGS. 1-4, while there is one upwardly-projecting cylinder in the embodiment of FIG. 5.

Referenced Cited
U.S. Patent Documents
D254620 April 1, 1980 Reiner
3091147 May 1963 Holl et al.
3150412 September 1964 Newhall
4213365 July 22, 1980 McCabe
Other references
  • American Machinist, 8/1979, p. 146, Press Model L12000 (lower right). American Machinist, 7/1980, p. 192, Hydraulic Bench Press (upper center).
Patent History
Patent number: D277864
Type: Grant
Filed: Jun 10, 1982
Date of Patent: Mar 5, 1985
Inventors: Glenn A. Hoffman, Jr. (Huntington Beach, CA), Robert M. Avila (San Clemente, CA)
Primary Examiner: B. J. Bullock
Law Firm: Gausewitz, Carr, Rothenberg & Edwards
Application Number: 6/386,961
Classifications
Current U.S. Class: Punching Or Stamping (D15/128)