Floating caterpillar feeder

Details Floating caterpillar feeder Floating caterpillar feeder

2009-01-15

2010-12-14

Self, Shelley (Department: 3725)

Woodworking

Feeder or presser

C144S245100, C144S253100, C198S731000

Reexamination Certificate

active

07849893

ABSTRACT:
A floating caterpillar feeder is used for moving a workpiece on a worktable. The feeder includes a housing unit having a bottom edge, a driving unit including two pairs of sprockets and two chains respectively trained on the pairs of the sprockets, and a plurality of feeding units connected between the chains. Each feeding unit includes two mounting members connected respectively and fixedly to two corresponding links of the chains, parallel horizontal inner and outer rods connected fixedly between the mounting members, parallel pushing plates sleeved on the inner and outer rods, and resilient members for biasing the pushing plates to project from the bottom edge. Each pushing plate has a pair of inner and outer holes engaging respectively and movably the inner and outer rods so as to allow the corresponding pushing plate to move relative to the inner and outer rods in an inner-to-outer direction.

REFERENCES:
patent: 4875512 (1989-10-01), Lin
patent: 6289950 (2001-09-01), Chiang
patent: 6655429 (2003-12-01), Tekulve et al.
patent: 2009/0049969 (2009-02-01), Lin

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