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Patent US3997150A successfully refreshed from Google Patents.
US3997150A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing guard
Assignee: TECHNIBILT CORP
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Filing: 1975-06-06
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Granted: 1976-12-14
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Expires: 1995-06-06
Abstract
Abstract An impact or shock absorbing guard constructed of a molded rubber composition for padding structural elements such as poles or the like found on playgrounds, schoolyards, etc. to prevent injuries. The shock absorbing guard affords energy or shock absorption properties of at least two levels and has a long service life.
Inventors
- 👤 Louis J. Hanson
- 👤 Lawrence E. Houston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:49
CPC Classifications
F; F16; F16F; F16F7/00; A; A63; A63B; A63B71/00; A63B71/0054; E; E01; E01F; E01F15/00; E01F15/14; E01F15/141; A63B2071/0063
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
263 words
A shock absorbing guard comprising a shock absorbing element having a plurality of spaced apart, resilient, shock absorbing surfaces arranged in parallel rows and constructed and defined on the outer face of the element, said shock absorbing surfaces each being constructed and defined to extend a preselected distance longitudinally of the parallel rows on the element and having a planar surface conforming to the shape of the surface mounting the shock absorbing guard, the inner face of the element constructed and defined with a plurality of spaced apart, resilient shock absorbing surfaces arranged in parallel rows intermediate the parallel rows of shock absorbing surfaces of the outer face of the element and spaced a preselected distance inwardly of the surfaces on the outer face of the element, the inner shock absorbing elements each being constructed and defined to extend a preselected distance longitudinally of the parallel rows on the element and having a planar surface conforming to the shape of the surface mounting the shock absorbing guard, and a plurality of resilient solid ribs individually connected with one end of a shock absorbing surface on the outer face of the element with the adjacent end of a shock absorbing surface on the inner face of the element to thereby interconnect each of said plurality of shock absorbing surfaces into a unitary shock absorbing element coacting to absorb impact energy received at the shock absorbing surface on the outer face of the element, the shock absorbing surfaces on the inner face of the element being engageable with the surface mounting the shock absorbing guard.
Claim 2
Dependent Claim
263 words
A shock absorbing guard comprising a shock absorbing element having a plurality of spaced apart, resilient, shock absorbing surfaces arranged in parallel rows and constructed and defined on the outer face of the element, said shock absorbing surfaces each being constructed and defined to extend a preselected distance longitudinally of the parallel rows on the element and having a planar surface conforming to the shape of the surface mounting the shock absorbing guard, the inner face of the element constructed and defined with a plurality of spaced apart, resilient shock absorbing surfaces arranged in parallel rows intermediate the parallel rows of shock absorbing surfaces of the outer face of the element and spaced a preselected distance inwardly of the surfaces on the outer face of the element, the inner shock absorbing elements each being constructed and defined to extend a preselected distance longitudinally of the parallel rows on the element and having a planar surface conforming to the shape of the surface mounting the shock absorbing guard, and a plurality of resilient solid ribs individually connected with one end of a shock absorbing surface on the outer face of the element with the adjacent end of a shock absorbing surface on the inner face of the element to thereby interconnect each of said plurality of shock absorbing surfaces into a unitary shock absorbing element coacting to absorb impact energy received at the shock absorbing surface on the outer face of the element, the shock absorbing surfaces on the inner face of the element being engageable with the surface mounting the shock absorbing guard.
Claim 3
Dependent Claim
52 words
A shock absorbing guard as defined in claim 1 wherein the resilient ribs are angularly related to the connected shock absorbing surfaces of the element, the ribs and the inner and outer shock absorbing surfaces having preselected thicknesses for transmitting and absorbing impact energy received at the outer face of the element.
Claim 4
Dependent Claim
70 words
A shock absorbing guard as defined in claim 2 wherein the thickness of the inner shock absorbing surface is on the order of twice the thickness of the outer shock absorbing surface for absorbing the impact energies of greater magnitude than said preselected magnitude causing the deformation of the outer shock absorbing surfaces and the resilient ribs towards the surface mounting the shock absorbing guard in response to said energies.
Claim 5
Dependent Claim
29 words
A shock absorbing guard as defined in claim 1 wherein the shock absorbing element is formed with a substantially semicircular configuration for mounting to a substantially round mounting surface.
Claim 6
Dependent Claim
44 words
A shock absorbing guard as defined in claim 4 wherein a plurality of the shock absorbing elements are mounted to a substantially round mounting surface for enclosing the mounting surface and including means for securing the thus arranged absorbing elements to the mounting surface.
Claim 7
Dependent Claim
45 words
A shock absorbing guard as defined in claim 5 wherein the securing means comprises a plurality of straps mounted between the shock absorbing surfaces on the outer face of the secured elements and a fastener for securing the elements together and to the mounting surface.
Claim 8
Dependent Claim
16 words
A shock absorbing guard as defined in claim 6 wherein the fastener comprises a pop rivet.
Claim 9
Dependent Claim
22 words
A shock absorbing guard as defined in claim 5 wherein the shock absorbing elements are constructed of a durable, weather-resistant rubber composition.
Claim 10
Dependent Claim
24 words
A shock absorbing guard as defined in claim 1 wherein the shock absorbing element is constructed and formed from a resilient, durable weather-resistant material.
Claim 11
Dependent Claim
16 words
A shock absorbing guard as defined in claim 9 wherein the material is a rubber composition.
Claim 12
Dependent Claim
47 words
A shock absorbing guard as defined in claim 9 wherein the material is a rubber composition formulated to have a resiliency consistent with the range of levels of impact energy imparted by individuals during athletic events and contacts immediately adjacent the surface mounting the shock absorbing guard.
Claim 13
Dependent Claim
24 words
A shock absorbing guard as defined in claim 1 wherein the shock absorbing element is substantially semicircular in shape for mounting to a pole.
Claim 14
Dependent Claim
22 words
A shock absorbing guard as defined in claim 12 including means for securing a pair of shock absorbing elements to a pole.
Claim 15
Dependent Claim
37 words
A shock absorbing guard as defined in claim 1 wherein the shock absorbing element is substantially tubular in shape and is adapted for allowing the element to be slipped around a pole and to be mounted thereto.
Claim 16
Dependent Claim
23 words
A shock absorbing guard as defined in claim 14 including means for securing the thus pole mounted shock absorbing element to the pole.
Claim 17
Dependent Claim
328 words
A shock absorbing pole guard adapted to be mounted on a playground pole or the like comprising a plurality of shock absorbing elements adapted to be mounted and secured completely around a playground pole or the like, the shock absorbing elements being formed in the shape of the pole or like element without stressing the outer skin of the shock absorbing elements upon being secured thereto, each shock absorbing element having a plurality of spaced apart, resilient, substantially semi-cylindrical shock absorbing surfaces arranged in parallel rows and constructed and defined on the outer face of the element, said arcuate surfaces each being constructed and defined to extend a preselected distance longitudinally of the shock absorbing element, the inner face of the element being constructed and defined with a plurality of spaced apart, resilient, substantially semi-cylindrical shock absorbing surfaces arranged in parallel rows intermediate the parallel rows of shock absorbing surfaces of the outer face of the element and spaced a preselected distance inwardly of the surfaces on the outer face of the element, said arcuate surfaces each being constructed and defined to extend a preselected distance longitudinally of the shock absorbing element, and a plurality of resilient, solid ribs individually connected with one end of a shock absorbing surface on the outer face of the element with the adjacent end of a shock absorbing surface on the inner face of the element to thereby interconnect each of said plurality of shock absorbing surfaces into a unitary shock absorbing element, the resilient ribs being angularly related to the connected shock absorbing surfaces of the element, the ribs and the inner and outer shock absorbing surfaces having preselected thicknesses for transmitting and absorbing impact energy and coacting in unison to absorb impact energy received at the shock absorbing surfaces on the outer face of the element, the shock absorbing surfaces on the inner face of the element being engageable with the pole or the like mounting the shock absorbing guard.
Claim 18
Dependent Claim
328 words
A shock absorbing pole guard adapted to be mounted on a playground pole or the like comprising a plurality of shock absorbing elements adapted to be mounted and secured completely around a playground pole or the like, the shock absorbing elements being formed in the shape of the pole or like element without stressing the outer skin of the shock absorbing elements upon being secured thereto, each shock absorbing element having a plurality of spaced apart, resilient, substantially semi-cylindrical shock absorbing surfaces arranged in parallel rows and constructed and defined on the outer face of the element, said arcuate surfaces each being constructed and defined to extend a preselected distance longitudinally of the shock absorbing element, the inner face of the element being constructed and defined with a plurality of spaced apart, resilient, substantially semi-cylindrical shock absorbing surfaces arranged in parallel rows intermediate the parallel rows of shock absorbing surfaces of the outer face of the element and spaced a preselected distance inwardly of the surfaces on the outer face of the element, said arcuate surfaces each being constructed and defined to extend a preselected distance longitudinally of the shock absorbing element, and a plurality of resilient, solid ribs individually connected with one end of a shock absorbing surface on the outer face of the element with the adjacent end of a shock absorbing surface on the inner face of the element to thereby interconnect each of said plurality of shock absorbing surfaces into a unitary shock absorbing element, the resilient ribs being angularly related to the connected shock absorbing surfaces of the element, the ribs and the inner and outer shock absorbing surfaces having preselected thicknesses for transmitting and absorbing impact energy and coacting in unison to absorb impact energy received at the shock absorbing surfaces on the outer face of the element, the shock absorbing surfaces on the inner face of the element being engageable with the pole or the like mounting the shock absorbing guard.
Claim 19
Dependent Claim
46 words
A shock absorbing pole guard as defined in claim 16 including means mounted between the shock absorbing surfaces on the outer face of the element for securing the elements to the pole or the like without exposing the securing means to the playground participants upon impact.
Claim 20
Dependent Claim
30 words
A shock absorbing pole guard as defined in claim 17 wherein the securing means comprises a plurality of securing bands encircling the shock absorbing surfaces secured in a closed loop.
Claim 21
Dependent Claim
21 words
A shock absorbing pole guard as defined in claim 18 including a fastener for securing the bands in a closed loop.
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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) | 1979-12-14 | 1980-06-14 | 1980-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-14 | 1984-06-14 | 1984-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-14 | 1988-06-14 | 1988-12-14 | $7700.00 | Window Closed / Lapsed |