Patent US4394095A successfully refreshed from Google Patents.
US4394095A
Expired / Lapsed
US
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Scaffolding structure
Assignee: Individual
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Filing: 1981-12-07
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Granted: 1983-07-19
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Expires: 2001-12-07
Abstract
Abstract A horizontal or diagonal bracing element in a scaffolding structure includes a terminal lug which is pivotably connected to another lug on a connection shoe; the shoe is provided with an elongated slot for receiving a fastening wedge insertable into a radial aperture in a connection flange on a vertical supporting element of the scaffolding; the other lug forms with the midline of the elongated slot an angle of 135°.
Inventors
- 👤 Eberhard Layher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:17
CPC Classifications
E; E04; E04G; E04G7/00; E04G7/30; E04G7/302; E04G7/306; E04G7/307; E04G7/32; Y; Y10; Y10T; Y10T403/00; Y10T403/30
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
116 words
A scaffolding structure for use in scaffolding systems which include vertical supporting elements provided with annular flanges having radially directed apertures for receiving fastening wedges, said scaffolding structure comprising a scaffolding element formed at one end thereof with a terminal lug; a coupling shoe having two prongs arranged one above the other; an open slot formed between the prongs for engaging the flange and an elongated slot formed in the prongs for receiving the fastening wedge, another flat lug projecting outwardly from the terminal end of said shoe at an angle of about 135° relative to the elongated slot, said flat lug having its sides extending parallel to said terminal lug and being pivotably connected thereto.
Claim 2
Dependent Claim
116 words
A scaffolding structure for use in scaffolding systems which include vertical supporting elements provided with annular flanges having radially directed apertures for receiving fastening wedges, said scaffolding structure comprising a scaffolding element formed at one end thereof with a terminal lug; a coupling shoe having two prongs arranged one above the other; an open slot formed between the prongs for engaging the flange and an elongated slot formed in the prongs for receiving the fastening wedge, another flat lug projecting outwardly from the terminal end of said shoe at an angle of about 135° relative to the elongated slot, said flat lug having its sides extending parallel to said terminal lug and being pivotably connected thereto.
Claim 3
Dependent Claim
25 words
A scaffolding structure as defined in claim 1, wherein a terminal lug with a pivotably connected shoe is provided at each end of the element.
Claim 4
Dependent Claim
35 words
A scaffolding structure as defined in claim 1 wherein said scaffolding element is formed of a hollow tubular member and wherein said terminal lug is formed by compressing the end portion of the tubular member.
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) | 1986-07-18 | 1987-01-17 | 1987-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-18 | 1991-01-17 | 1991-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-18 | 1995-01-17 | 1995-07-19 | $7700.00 | Window Closed / Lapsed |