John F Ewig Deceased9501 Topridge Dr, Austin, TX 78750
John Ewig Phones & Addresses
9501 Topridge Dr, Austin, TX 78750 512-9969591
49 Litchfield St, Worcester, MA 01603 508-7541512
47 Litchfield St, Worcester, MA 01603
Easthampton, MA
Mentions for John F Ewig
Publications & IP owners
Us Patents
Riveter
US Patent:
4136547, Jan 30, 1979
Filed:
Apr 4, 1978
Appl. No.:
5/893354
Inventors:
John F. Ewig - Worcester MA
Jon S. Gardner - Marlboro MA
Jon S. Gardner - Marlboro MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
B21J 1534
US Classification:
72391
Abstract:
A tool for setting blind hollow rivets which include a mandrel to be pulled from the accessible side of work to set the rivet on the blind side. The tool includes a body, a pulling device movable relative to the body, a pair of actuating levers pivoted to the body, and linkage means connected to each of the levers and connected at a single point to the pulling device.
Electric Stapler
US Patent:
D266221, Sep 21, 1982
Filed:
May 12, 1980
Appl. No.:
6/148719
Inventors:
John F. Ewig - Worcester MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
D0805
US Classification:
D 8 49
Electric Stapler And Driver Assembly Therefor
US Patent:
4349143, Sep 14, 1982
Filed:
May 12, 1980
Appl. No.:
6/148721
Inventors:
John F. Ewig - Worcester MA
Assignee:
Parker Manufacturing Co. - Worcester MA
International Classification:
B25C 515
US Classification:
227131
Abstract:
A stapler includes a main body, a magazine portion and a handle. A solenoid with a reciprocatable plunger is mounted within the main body. The plunger is constrained for movement along an axis that is at an acute angle with respect to an axis along which the staples are driven. A driver, which is moved by the plunger, drives a staple into a workpiece. A circuit is provided to permit only one staple to be driven for each actuation of the stapler.
Hacksaw With Improved Blade Tensioning Mechanism
US Patent:
4367779, Jan 11, 1983
Filed:
Mar 23, 1981
Appl. No.:
6/246273
Inventors:
John F. Ewig - Worcester MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
B23D 4912
B23D 5110
B27B 2106
B23D 5110
B27B 2106
US Classification:
145 33A
Abstract:
A hacksaw with an improved mechanism for adjusting the tension on the blade. The mechanism includes a lever for vertically moving a rod to pivot a rocker arm to place tension on the rocker arm-held blade. The rod has an adjustment knob at its lower end to precisely select final blade tension. The lever has a latch means for securely locking the lever closed, and the latch means has a safety feature which prevents accidental and sudden unlocking of the lever.
Plastic Staple Gun
US Patent:
4119258, Oct 10, 1978
Filed:
Aug 1, 1977
Appl. No.:
5/820442
Inventors:
John F. Ewig - Worcester MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
B25C 510
US Classification:
227132
Abstract:
A stapler having a frame formed in two parts of high density polymer, wherein the major support and guide elements of the stapler are integrally formed with the two parts.
Stapler
US Patent:
4155498, May 22, 1979
Filed:
Oct 25, 1977
Appl. No.:
5/844540
Inventors:
John F. Ewig - Worcester MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
B25C 510
US Classification:
227132
Abstract:
Stapler having a vertically-adjustable cap for selecting a staple-driving force.
Riveter
US Patent:
D256327, Aug 12, 1980
Filed:
Apr 4, 1978
Appl. No.:
5/893459
Inventors:
John F. Ewig - Worcester MA
Jon S. Gardner - Marlboro MA
Jon S. Gardner - Marlboro MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
D0802
US Classification:
D 8 51
Electro-Magnetic Stapling Tool
US Patent:
4491262, Jan 1, 1985
Filed:
Sep 10, 1982
Appl. No.:
6/416647
Inventors:
John F. Ewig - Worcester MA
Assignee:
Parker Manufacturing Company - Worcester MA
International Classification:
B25C 100
US Classification:
227131
Abstract:
An electro-magnetic stapling tool having a mechanism for adjusting the power with which the solenoid-operated plunger and the staple driver drive the staples. In its preferred embodiment, the power adjusting a mechanism includes a manually adjustable selector knob having a cam element, and includes a cam follower mounted in association with the upper end of the solenoid core. Rotation of the selector knob adjusts the length of the solenoid power stroke and the resulting driving power of the stapling tool.
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