US4830341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anchor for temporary safety fence
Assignee: INSTITUT DE RECHERCHE EN SANTE ET EN SECURITE DU TRAVAIL DU QUEBEC 505 DE MAISONNEUVE BOULEVARD WEST MONTREAL QUEBEC CANADA
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Filing: 1987-12-31
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Granted: 1989-05-16
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Expires: 2007-12-31
Abstract
Abstract The disclosure herein describes an anchor for mounting a temporary safety nce to the floor of a building under construction; the anchor includes a flat base plate adapted to be secured to the floor, an upright support member having its lower end fixedly secured centrally of the base plate and its upper end shaped to receive the lower end of a correspondingly-shaped fence upright, and a line fastener fixedly secured to the base plate for connecting thereto a safety line used by workers during construction.
Inventors
- 👤 Jean Arteau
- 👤 Raymond Bertrand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:31
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/009; E04G; E04G21/00; E04G21/32; E04G21/3204; E04G21/3219; E04G21/3223; E04G21/3261; E04G21/3276; E04G7/00; E04G7/02; E04G7/28; Y; Y10; Y10S; Y10S256/00; Y10S256/06
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
113 words
An anchor for mounting a temporary safety fence, including uprights, to a floor of a building under construction, comprising: a base plate adapted to be fixedly mounted to said floor; a short vertically-extending upright support member having a lower portion fixedly secured to said base plate and an upper portion shaped to slidably and axially receive thereabout a correspondingly-shaped upright; and a ring having the shape of a D with a straight portion; said straight portion welded to said base plate; said straight portion extending in a central symmetrical axis of said plate; said member extending in said axis; said ring for attaching thereto a safety line used by a worker during construction.
Claim 2
Dependent Claim
113 words
An anchor for mounting a temporary safety fence, including uprights, to a floor of a building under construction, comprising: a base plate adapted to be fixedly mounted to said floor; a short vertically-extending upright support member having a lower portion fixedly secured to said base plate and an upper portion shaped to slidably and axially receive thereabout a correspondingly-shaped upright; and a ring having the shape of a D with a straight portion; said straight portion welded to said base plate; said straight portion extending in a central symmetrical axis of said plate; said member extending in said axis; said ring for attaching thereto a safety line used by a worker during construction.
Claim 3
Dependent Claim
30 words
An anchor as defined in claim 1, wherein said member extends perpendicular to said base plate; said lower portion of said member having its extremity welded to said base plate.
Claim 4
Dependent Claim
25 words
An anchor as defined in claim 1, wherein said base plate includes holes for allowing fastening means to secure said base plate to said floor.
Claim 5
Dependent Claim
33 words
An anchor as defined in claim 1, wherein said support member extends tangentially to said base plate; said lower portion of said member having a side wall thereof welded to said base plate.
Claim 6
Dependent Claim
56 words
An anchor as defined in claim 3, wherein said base plate includes holes for allowing fastening means to secure said base plate to said floor; said lower poriton of said member having holes in registry with one of said holes in said base plate for allowing fastening means to secure said base plate to said floor.
Claim 7
Dependent Claim
151 words
For use with a temporary safety fence to be mounted to a floor of a building under construction, (a) an anchor comprising: a flat base plate adapted to be fixedly secured to said floor; a vertically extending tubular support member fixedly secured centrally of said flat base plate; and a ring fixedly secured to said base plate for attaching a safety line thereto allowing a construction worker to be safely attached to said anchor; (b) a tubular upright having a lower end slidably and axially engaged about said tubular support member of said anchor; (c) a foot board collar consisting of: a hollow tubular member slidably and axially received about said upright; and an inverted L-shaped board retainer having one end fixedly secured to said hollow tubular member and an opposite free end spaced from the lower end of said tubular member defining a space to receive a foot board therein.
Claim 8
Dependent Claim
151 words
For use with a temporary safety fence to be mounted to a floor of a building under construction, (a) an anchor comprising: a flat base plate adapted to be fixedly secured to said floor; a vertically extending tubular support member fixedly secured centrally of said flat base plate; and a ring fixedly secured to said base plate for attaching a safety line thereto allowing a construction worker to be safely attached to said anchor; (b) a tubular upright having a lower end slidably and axially engaged about said tubular support member of said anchor; (c) a foot board collar consisting of: a hollow tubular member slidably and axially received about said upright; and an inverted L-shaped board retainer having one end fixedly secured to said hollow tubular member and an opposite free end spaced from the lower end of said tubular member defining a space to receive a foot board therein.
Claim 9
Dependent Claim
29 words
In a temporary safety fence as defined in claim 6, wherein said inverted L-shaped member includes a hole for fastening means to secure said foot board to said member.
Claim 10
Dependent Claim
25 words
In a temporary safety fence as defined in claim 6, further comprising reinforcing means connecting of said inverted L-shaped member to said hollow tubular member.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-05-15 | 1992-11-14 | 1993-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-05-15 | 1996-11-14 | 1997-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-05-15 | 2000-11-14 | 2001-05-16 | $7700.00 | Window Closed / Lapsed |