US3740022A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loading dock safety guard
Assignee: GIOVANNI S DI
•
Filing: 1972-02-14
•
Granted: 1973-06-19
•
Expires: 1992-02-14
Abstract
Abstract A spaced pair of U-shaped anchor receptacles is fixed to the side of the loading dock and a short sleeve rises from each receptacle. The sleeves are hollow to accept a fence section with a horizontal railing at a low position and a second horizontal railing at a high position, the high and low railings guarding against people and equipment overstepping the dock.
Inventors
- 👤 Giovanni S Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:38
CPC Classifications
E; E04; E04F; E04F11/00; E04F11/18; E04F11/181; E04F11/1812; E04G; E04G21/00; E04G21/32; E04G21/3204; E04G21/3223; E04H; E04H17/00; E04H17/009
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
122 words
A dock safety guard for removable attachment at the outer edge of a loading docK having said edge defined by a vertical face and a horizontal deck, the combination comprising at least one pair of spaced anchor receptacles secured to the dock; a pair of guard anchors each having a base plate adapted to seat on the dock deck, a depending web adapted to seat in the receptacle and an upwardly extending sleeve; a vertical post removably fitted into the sleeve of each guard anchor, a lower guard rail, means securing the lower guard rail with respect to the anchor receptacles, and an upper guard rail extending between vertical posts, said upper guard rail and posts being removable from said anchor receptacles.
Claim 2
Dependent Claim
122 words
A dock safety guard for removable attachment at the outer edge of a loading docK having said edge defined by a vertical face and a horizontal deck, the combination comprising at least one pair of spaced anchor receptacles secured to the dock; a pair of guard anchors each having a base plate adapted to seat on the dock deck, a depending web adapted to seat in the receptacle and an upwardly extending sleeve; a vertical post removably fitted into the sleeve of each guard anchor, a lower guard rail, means securing the lower guard rail with respect to the anchor receptacles, and an upper guard rail extending between vertical posts, said upper guard rail and posts being removable from said anchor receptacles.
Claim 3
Dependent Claim
41 words
A dock safety guard in accordance with claim 1 wherein the means securing the lower guard rail with respect to the anchor receptacles is means fixing each end of the lower guard rail to the vertical post adjacent the guard anchor.
Claim 4
Dependent Claim
25 words
A dock safety guard in accordance with claim 2 wherein the lower safety rail has a greater resistance to bending than the upper guard rail.
Claim 5
Dependent Claim
19 words
A dock safety guard in accordance with claim 1 wherein said guard anchors are removable from said anchor receptacles.
Claim 6
Dependent Claim
38 words
A dock guard in accordance with claim 1 wherein each receptacle comprises a vertical plate, a side retainer at each vertical edge of the plate and means for attaching the receptacle to the vertical surface of the dock.
Claim 7
Dependent Claim
40 words
A dock guard in accordance with claim 1 wherein the lower guard rail is fixed at its ends to each of a pair of guard anchors, the lower guard rail having greater resistance to bending than the upper guard rail.
References Cited (Backward Citations)
CA615470A
Cited
US656314A
Cited
US1297838A
Cited
FR631147A
Cited
GB707129A
Cited
US2859990A
Cited
GB844491A
Cited
US3669480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |