Chisels and scrapers with replaceable blades

Details Chisels and scrapers with replaceable blades Chisels and scrapers with replaceable blades

1997-08-08

1999-09-21

Payer, Hwei-Siu

Cutlery

Combined cutlery or combined with ancillary feature

With material-holder or disposal

30167, 206349, 206375, B25D 300

Patent

active

059538201

ABSTRACT:
The hand tool has a shaft with a distal end which is configured to receive any one of a variety of different sized chisel or scraper blades or the like, via corresponding male and female dovetail connections, for example. Storage space for the extra blades, if desired, may be provided in the handle which is secured to the shaft, or may be provided via depressions in a panel of a tool case of the type commonly referred to as "gift cases". Where storage space is provided in the handle, preferably this is accomplished by virtue of a spring-loaded collar which overlies lower portions of elongated rotatable cover pieces, preventing rotation. When the spring-loaded collar is retracted, the cover pieces can be rotated, to reveal storage areas on either side of the handle.

REFERENCES:
patent: 17128 (1857-04-01), Kilmer et al.
patent: 108596 (1870-10-01), Hundley
patent: 143413 (1873-10-01), Jelliffe
patent: 178627 (1876-06-01), Gordon et al.
patent: 420529 (1890-02-01), Bostian
patent: 433078 (1890-07-01), Graham
patent: 1082802 (1913-12-01), Full
patent: 2131358 (1938-09-01), Rothschild
patent: 3370697 (1968-02-01), Levey et al.
patent: 3829967 (1974-08-01), Gilbert
patent: 5441152 (1995-08-01), Estes
patent: 5537747 (1996-07-01), Cacciotti et al.

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