Claims
- 1. In a machine for compressing particulate matter to form bales, said machine having a compression chamber forms by an enclosing side wall and end walls, at least one of said end walls being a movable ram, and a feed inlet chute having an inner end adjacent a feed aperture in the chamber side wall and an outer end into which particulate material can be delivered, the improvement which comprises a door slidable in its own plane, at the inner end of the chute, between a closed position in which the feed aperture is blocked and an open position, said door having a thickness defined by inner and outer surfaces which in the closed position of the door face toward and away from the chamber, respectively, said door having an edge which penetrates through a mass of particulate material residing in said chute and which seats in a frame as said door moves from an open position to a closed position, said edge having a relatively sharp inclined leading portion for penetration through the particulate material and an abrupt shoulder portion formed by at least one of said door surfaces and facing in the direction of movement of said door during closing, said shoulder portion cooperating with an anvil shoulder located at said frame for shearing particulate material which tends to wedge between said door edge and said frame as said edge enters said frame.
Parent Case Info
This is a division, of application Ser. No. 717.872 filed Aug. 26, 1976, now U.S. Pat. No. 4,102,259.
US Referenced Citations (6)
Foreign Referenced Citations (1)
Number |
Date |
Country |
513076 |
Nov 1930 |
DEX |
Divisions (1)
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Number |
Date |
Country |
Parent |
717872 |
Aug 1976 |
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