Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1993-12-01
1996-04-23
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Elements
74543, 74545, 74567, 74537, 74538, 74557, G05G 104
Patent
active
055093264
ABSTRACT:
This brake comprises a lever (1) articulated onto a pin (2), a soleplate (3) and a toggle joint mechanism (8) connected to the application cable (9); this mechanism (8) includes a connecting rod which is articulated onto the lever (1), the end of the cable (9) being connected to the end of the connecting rod (10) through the use of a balance bar (11) which can be moved translationally in a direction parallel to the cable (9). The mechanism (8) considerably decreases the forces for applying and releasing the brake. On application, the lever (1) is brought into abutment on the soleplate (3) so that the direction of the force (P) in the connecting rod (10), which force is brought about by tensioning the cable (9), passes above the pin (2), which keeps it in the applied position. A push-rod (16), subjected to a return force (F) and sliding inside the lever (1) automatically provides safety locking of the brake in the position for keeping it applied.
REFERENCES:
patent: 4454785 (1984-06-01), Purrer
patent: 4747463 (1988-05-01), Yoshinaka et al.
patent: 4875699 (1989-10-01), Levavi
patent: 5187998 (1993-02-01), Asano et al.
Luong Vinh T.
Rockwell Body and Chassis Systems
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