Patent US4101114A successfully refreshed from Google Patents.
US4101114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cable pulling system
Assignee: CARPENTER RIGGING AND SUPPLY CO Inc
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Filing: 1977-10-12
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Granted: 1978-07-18
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Expires: 1997-10-12
Abstract
Abstract A system for drawing one or more cables, such as electrical cables or conductors through a conduit of limited diameter wherein each cable has the strands or conductors thereof wedged in a first part of a connector and a second part of such connector is removably attached thereto with a line engaging the second part of each connector and secured to a single swivel head having a draw line attached thereto.
Inventors
- 👤 Bernard L. Martin
- 👤 Bruce N. Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:43
CPC Classifications
H; H02; H02G; H02G1/00; H02G1/06; H02G1/08; H02G1/081
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
81 words
A system for pulling electrical cables through a conduit comprising a plurality of gripping means adapted to positively engage the ends of electrical cables in axial extension therefrom, a swivel connector adapted to engage a line for drawing the system through a conduit, and flexible connecting means having looped ends connected to said swivel means and said gripping means with lengths intermediate said looped ends being different to dispose said gripping means apart, at least the length of a gripping means.
Claim 2
Independent Claim
81 words
A system for pulling electrical cables through a conduit comprising a plurality of gripping means adapted to positively engage the ends of electrical cables in axial extension therefrom, a swivel connector adapted to engage a line for drawing the system through a conduit, and flexible connecting means having looped ends connected to said swivel means and said gripping means with lengths intermediate said looped ends being different to dispose said gripping means apart, at least the length of a gripping means.
Claim 3
Dependent Claim
74 words
The system of claim 1 further defined by said gripping means each including a threaded sleeve dimensioned to fit about the conductors of an electrical cable, a tapered plug adapted to be inserted into the ends of cable conductors extending through said sleeve and an eye socket adapted to be threaded onto said sleeve about cable conductors extended therethrough and having an opening for receiving a shackle engaging one of said flexible connecting means.
Claim 4
Dependent Claim
32 words
The system of claim 2 further defined by separate threaded sleeves having the same thread diameter to engage like eye sockets and different sized openings therethrough to engage cables of different diameters.
Claim 5
Dependent Claim
74 words
The system of claim 1 further defined by said gripping means each having a first part having a tapered bore therethrough with the small diameter therefor substantially equal to the diameter of a cable to be engaged thereby with the cable insulation removed and a second part adapted to threadably engage said first part in axial extension therefrom, and said system being adapted to simultaneously pull electrical cables of different diameter through a conduit.
Claim 6
Dependent Claim
50 words
The system of claim 1 further defined by said flexible connecting means comprising at least one cable having a loop at a first end connected to said swivel connector and second and third looped ends disposed apart longitudinally a distance at least equal to the length of a gripping means.
Claim 7
Dependent Claim
76 words
The system of claim 1 further defined by said flexible connecting means comprising a first sling connecting said swivel means and a first gripping means, and a second sling connected at a first looped end thereof to said swivel connector, and having second and third looped ends spaced apart longitudinally, at least the length of a gripping means and connected to second and third gripping means for spacing apart said gripping means longitudinally of said system.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |