Spring assemblies with variable flexibility for use with push-cables and pipe inspection systems
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United States of America Patent
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Nov 28, 2017
Issued Date -
N/A
app pub date -
Oct 17, 2016
filing date -
May 7, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Push-cables and associated apparatus and systems are disclosed. In one embodiment, a push-cable assembly for use with a pipe inspection system may include a push-cable element having a proximal end and a distal end, with a spring assembly having varying flexibility coupled to or near the distal end. The spring assembly may include an outer coiled spring having a proximal and a distal end, and an inner coiled spring nested at least partially within the outer coiled spring. A camera head and/or other elements such as a cutting or jetting apparatus may be coupled at or near the distal end.
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International Classification(s)
- H04N:PICTORIAL COMMUNICATION, e.g. TELEVISION
- B08B:CLEANING IN GENERAL; PREVENTION OF FOULING IN GENE....
- G01N:INVESTIGATING OR ANALYSING MATERIALS BY DETERMININ....
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- F16C:SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT ME....
- G03B:APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS O....
- F16F:SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRAT....
- E03F:SEWERS; CESSPOOLS
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