Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1994-08-02
1995-10-17
Bonck, Rodney H.
Machine element or mechanism
Control lever and linkage systems
Elements
280655, 2806551, 280 47315, 403109, 403325, B62B 112, G05G 506
Patent
active
054580200
ABSTRACT:
A pull rod structure of a baggage cart, comprising a handle body, a controlling mechanism, a lower cover, a transmission mechanism, a linking mechanism, two hollow tube members and two sleeve members. The handle body is formed with two through holes at two ends and two insert holes formed beside the through holes. A locking channel is formed under the insert hole for receiving a locking block. A pull lever is disposed on one side of the handle body, having two ends inserted in the insert holes thereof to couple with the locking block. The locking block receives a spring and the pull lever. A long pin fixedly connects the pull lever with the locking block and a short pin is inserted into a pin hole of the locking block, a pin hole of the pull lever and the spring so as to fix the pull lever with the locking block. The long pin partially protrudes outside the locking block to press a pressing lever of the transmission mechanism. The pressing lever is fitted with a spring and a locating block and inserted in the hollow tube member. The linking mechanism includes a slant triangular block connected with a lower end of the pressing lever, a valve seat, a spring, a pad member, a fixing sleeve and a fixing plate. The sleeve member receives the transmission and linking mechanisms and formed with several lateral locating holes for engaging with a projection of the valve seat of the linking mechanism.
REFERENCES:
patent: 4591183 (1986-05-01), Gordon et al.
patent: 5127664 (1992-07-01), Cheng
patent: 5257800 (1993-11-01), Yang
patent: 5308103 (1994-05-01), Chin-Shung
patent: 5351984 (1994-10-01), Cheng
patent: 5367743 (1994-11-01), Chang
patent: 5371923 (1994-12-01), Chang
Battista Mary Ann
Bonck Rodney H.
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