Protective barrier against falls of stones

Details Protective barrier against falls of stones Protective barrier against falls of stones

1986-01-10

1988-03-15

Reese, Randolph A.

Fences

Driftage control

256 1, 256 23, 256 25, 256 35, 244110C, 244110F, E01F 704, B64F 102

Patent

active

047308109

ABSTRACT:
The protective barrier comprises a sheet of netting substantially following the ground transverse to the slope and held spread out upright by posts. The posts are held by upstream and downstream stays on a guide in the direction of the slope, the guide being formed by a loop of cable stretched between two pulleys anchored in the ground and having a bearing strand to which the stays and the post are attached. A mooring cable upstream of the netting retains the attachment place of the upstream stay on the bearing strand. The cable is equipped with shock-absorbing means adapted to allow a length of reserve cable to run when subjected to strong tension. The impact of blocks of stones causes the posts to fall back on either side of the place of impact, the motion being slowed down by the shock-absorbing means. The sheet of netting remains stretched and the posts do not bend.

REFERENCES:
patent: 1451493 (1923-04-01), Cruickshank
patent: 2265698 (1941-12-01), Opgenorth
patent: 2465936 (1949-03-01), Schultz
patent: 3087584 (1963-04-01), Jackson et al.
patent: 3211260 (1965-10-01), Jackson
patent: 3383076 (1968-05-01), Van Zelm et al.
patent: 3738599 (1973-06-01), Borehag
patent: 3750612 (1973-08-01), D Agostino
patent: 4039045 (1977-08-01), Hoger
G. Verrier: "Protection des voies ferrees contre les chutes de rochers", Travaux, No. 547, Sep. 1980, pp. 32-39, editions Science et Industrie, Paris, FR.

Affiliated with

Also associated with

Rating

Protective barrier against falls of stones does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Protective barrier against falls of stones, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Protective barrier against falls of stones will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1922372