Elevator – industrial lift truck – or stationary lift for vehicle – Stationary lift for roadway vehicle or required component... – Having specific drive means for support
Patent
1994-09-02
1996-03-12
Noland, Kenneth
Elevator, industrial lift truck, or stationary lift for vehicle
Stationary lift for roadway vehicle or required component...
Having specific drive means for support
187209, B66F 700
Patent
active
054978548
ABSTRACT:
A fallproof safety parking apparatus including a main body having a transverse beam and a lateral beam on which a detector and a detecting means are respectively disposed beside driving chains. The detector has a resilient pressing rod and the detecting means has a resilient pressing post for abutting against the chains without affecting the operation thereof. In case any section of the chains is broken apart, the resilient pressing rod of the detector or the resilient pressing post of the detecting means immediately bounds out from the broken section of the chains to actuate a microswitch of the detector or detecting means, making a fallproof means powered off. At this time, a brake block of the fallproof means is inserted into an insertion hole of a fixing lever of the main body and locked therein so as to instantaneously prevent an upper parking platform from straightly falling down. Two pairs of steel cables are disposed on the beams of the main body to help in holding the upper parking platform.
REFERENCES:
patent: 2843223 (1958-07-01), Villars
patent: 4856618 (1989-08-01), Isogai
Klein David I.
Noland Kenneth
Rosenberg Morton J.
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