Measuring and testing – Specimen stress or strain – or testing by stress or strain... – By loading of specimen
Patent
1984-05-21
1986-01-07
Levy, Stewart J.
Measuring and testing
Specimen stress or strain, or testing by stress or strain...
By loading of specimen
73158, G01N 308
Patent
active
045627436
ABSTRACT:
A cable elongation or relaxation measurement apparatus comprises an elongated beam having spaced apart clamp assemblies for forcibly clamping a section of cable under tension. One of the clamp assemblies is slidably mounted on a pair of parallel bearing rods secured to the beam and is centered between opposite ends of the rods by coil springs. The movable cable clamp assembly supports a dial indicator which is engageable with an adjustable fixed abutment member supported on the beam so that movement of the movable clamp assembly can be measured for a known change in load on the cable. The support beam includes a pair of spaced apart support roller assemblies each including an upstanding bracket supporting a first roller and a movable support plate supporting a second roller. The second roller may be moved relative to the first roller between a cable engaging and clamping position and a position which permits mounting and demounting the apparatus with respect to the cable.
REFERENCES:
patent: 1300790 (1919-04-01), Tretch
patent: 1382663 (1921-06-01), Metzger
patent: 2017876 (1935-10-01), Tripolitis
patent: 2099662 (1937-11-01), Slonneger
patent: 2814883 (1957-12-01), Strimel
patent: 3921443 (1975-11-01), Yates
patent: 4211013 (1980-07-01), Bresson et al.
patent: 4287759 (1981-09-01), Cooper
Gearhart Industries, Inc.
Levy Stewart J.
Raevis Robert R.
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