Gripper member control device for bookbinding machines

Details Gripper member control device for bookbinding machines Gripper member control device for bookbinding machines

1984-02-22

1986-06-24

Schwartz, Larry I.

Machine element or mechanism

Mechanical movements

Reciprocating to or from oscillating

74422, 198377, F16H 2144, F16H 2154, F16H 2518

Patent

active

045961611

ABSTRACT:
The invention relates to the field of bookbinding machines, and in particular to a device controlling gripper members arranged to transfer books, magazines, and the like.
The technical problem to be solved was that of providing a simple and accurate form of mesh engagement of gear wheels, constituting power drives for the movable gripper members, with stationary racks arranged in a discontinuous fashion along the path of movement of the gripper members.
The solution to the problem is provided by positioning members (15,16) projecting eccentrically from the gear wheels (4) and being adapted for engagement in an entry channel (18) located at one end of the stationary racks (14). The entry channel (18) is made gradually narrower and has an oscillating portion (20) at that portion where the positioning members tend to move as the gear wheels engage with the racks (14).

REFERENCES:
patent: 1389887 (1921-09-01), Leyland et al.
patent: 3589205 (1971-06-01), Radovic

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