JOHN H DIAL
Engineering in Euharlee, GA
License number
Massachusetts 29790
Issued Date
Sep 14, 1979
Expiration Date
Jun 30, 1996
Type
Structural Engineer
Address
Address
Euharlee, GA 30120
Professional information
Fastener Tester
US Patent:
4944188, Jul 31, 1990
Filed:
May 10, 1989
Appl. No.:
7/350091
Inventors:
John H. Dial - Cartersville GA
International Classification:
F16B 3102
US Classification:
73761
Abstract:
An apparatus for testing the integrity of a fastener under load. The apparatus includes an actuating assembly and a tensile loading structure mounted in serial relationship. The actuating assembly includes a piston and cylinder assembly. The cylinder heads are supported by a plurality of rods which are secured to a plurality of compressions rods of the tensile loading structure. The piston rod extends through an upper cylinder head and is connected to a movable shackle. A second shackle is secured to a cap or top member of the tensile loading structure. A bolt to be tested is secured in removable inserts carried in the shackles. A gage reads the amount of force, in pounds, applied to the bolt. An enclosure is provided for enclosing the tensile loading structure for protecting people and materials in the testing area, and wheels are disposed on a cabinet which supports the actuating mechanism and the tensile loading structure to provide portability to the apparatus.