US3670862A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety devices for entrance and exit for moving handrail
Assignee: Mitsubishi Electric Corp
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Filing: 1970-10-08
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Granted: 1972-06-20
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Expires: 1990-10-08
Abstract
Abstract At either of entrance and exit for a moving handrail a front guard of soft, high flexible material and a rear guard of relatively hard material are tandem disposed to encircle the handrail to form a closed space between both guards communicating with the exterior through narrow clearances formed between the guards and the handrail.
Inventors
- 👤 Katsumi Kito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:10
CPC Classifications
B; B66; B66B; B66B29/00; B66B29/02; B66B29/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
177 words
In a moving handrail assembly including a handrail, a balustrade having an end plate at a front side lower portion thereof, said end plate having an opening therein through which said handrail passes, and guide means for said handrail, an improvement comprising a C-shaped first guard member disposed on an outer face of said end plate adjacent said opening to partially encircle said handrail, said guide means being disposed between the terminal ends of said C-shaped first guard member, a C-shaped second guard member fixed to said assembly to partially encircle said handrail and being formed of a flexible material, saId second guard member extending outwardly past an outer face of said first guard member and in a spaced relation with respect to said handrail, wherein the outer extremity of said second guard member defines a C-shaped flange extending toward said handrail, said second guard member providing a cavity internally thereof and extending between said flange and said first guard member, whereby said cavity provides a safety zone preventing foreign objects from reaching said first guard member.
Claim 2
Dependent Claim
177 words
In a moving handrail assembly including a handrail, a balustrade having an end plate at a front side lower portion thereof, said end plate having an opening therein through which said handrail passes, and guide means for said handrail, an improvement comprising a C-shaped first guard member disposed on an outer face of said end plate adjacent said opening to partially encircle said handrail, said guide means being disposed between the terminal ends of said C-shaped first guard member, a C-shaped second guard member fixed to said assembly to partially encircle said handrail and being formed of a flexible material, saId second guard member extending outwardly past an outer face of said first guard member and in a spaced relation with respect to said handrail, wherein the outer extremity of said second guard member defines a C-shaped flange extending toward said handrail, said second guard member providing a cavity internally thereof and extending between said flange and said first guard member, whereby said cavity provides a safety zone preventing foreign objects from reaching said first guard member.
Claim 3
Dependent Claim
20 words
A safety device as claimed in claim 1., wherein said second guard member is fixed to said first guard member.
Claim 4
Dependent Claim
19 words
A safety device as claimed in claim 1., wherein said second guard member is fixed to said end plate.
References Cited (Backward Citations)
US2846045A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |