Railways – Switches – For toothed rail
Patent
1975-03-06
1977-01-04
Spar, Robert J.
Railways
Switches
For toothed rail
104247, E01B 2512
Patent
active
040007006
ABSTRACT:
A rail guidance system is provided for railway vehicles using a combination of rimless support wheels running on horizontal surfaces, and guided by special opposed guide wheels and direction control wheels running on vertical surfaces on each side thereof in which the main vehicle guiding surfaces recede from their regular vertical plane in those areas where branch lines interconnect in the guidance system to avoid jamming of the guide wheels between the opposed main guiding surfaces and the auxiliary guide surfaces provided at such branch connections. The system includes additional cam control surfaces for camming the direction control wheels into engagement with auxiliary guide surfaces at the branch connections. The wheels of the invention, in addition, are comprised of lightweight materials such as aluminum, for example, or resins to reduce the degree of inertia involved when the wheels change direction of rotation from one guiding surface to another. The bearing surfaces of the wheels may be resilient to reduce impact noise and to absorb jolts from such impacts.
REFERENCES:
patent: 3113529 (1963-12-01), Maestrelli
patent: 3225704 (1965-12-01), Gilvar et al.
patent: 3799062 (1974-03-01), Stocker
patent: 3811383 (1974-05-01), Butzow
patent: 3828691 (1974-08-01), Purath
Hannover Hans-Otto
Spoler Johannes Gerhard
DEMAG Aktiengesellschaft
Reese Randolph A.
Spar Robert J.
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