Device for detecting positioning of a staple for a frame...

Metal working – Means to assemble or disassemble – With randomly actuated stopping or disabling means

Reexamination Certificate

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Details

C029S407100, C029S407010, C029S709000, C029S715000, C029S712000, C227S002000

Reexamination Certificate

active

07062842

ABSTRACT:
A spring (18) is interposed between the sliding carriage (6) carrying a hammer (13) for driving-in and the actuator rod. The spring is mounted on the head (15) of a push rod, which carries a push contact (16) surrounded by an insulating washer (17). A O pad (20) is housed in the central opening of another insulating washer (19) supported by the spring. These detection means are activated when the spring is compressed in response to the stapling effort required at the moment when a staple comes up against the frame mouldings to be assembled. Application in frame-assembling machines.

REFERENCES:
patent: 4421264 (1983-12-01), Arter et al.

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