Spring tracer for duplicating machine for punched and laser...

Details Spring tracer for duplicating machine for punched and laser... Spring tracer for duplicating machine for punched and laser...

2006-10-31

2006-10-31

Carter, Monica (Department: 3722)

Gear cutting, milling, or planing

Milling

With regulation of operation by templet, card, or other...

C409S208000, C409S231000

Reexamination Certificate

active

07128504

ABSTRACT:
An improved spring tracer for duplicating machine for punched and laser keys comprising a longitudinal spindle suspended from an end of a synchronous lateral lever having the other end laterally connected to a longitudinal shaft for a duplicating tool in parallel with the longitudinal spindle, which can be longitudinally slidably secured on a body portion in accordance with a common longitudinal axis of the longitudinal spindle; a spring-loaded tracer engaged in the inner lower end of the longitudinal spindle for biasing a tracer stylus against an original punched or laser key by means of the spring force for tracing the depths of the key teeth of the original punched key in accordance with the said common longitudinal axis; and a regulating sleeve rotatably secured at the outer lower end of the longitudinal spindle for regulating the elevation of the spring-loaded tracer in accordance with the said common longitudinal axis, in order that a regulating action, a securing action and a biasing action can be effected in a common longitudinal axis, so as to increase the duplicating precision and simplify the construction of the duplicating machine for punched and laser keys.

REFERENCES:
patent: 4614465 (1986-09-01), Wu
patent: 4687389 (1987-08-01), Santii et al.
patent: 5833406 (1998-11-01), Chies et al.
patent: 5836728 (1998-11-01), Zuber

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