Door and jamb mortising pilot

Details Door and jamb mortising pilot Door and jamb mortising pilot

1981-04-24

1983-08-30

Haroian, Harry N.

Geometrical instruments

Gauge

Mortise

33174G, B27G 1708

Patent

active

044008864

ABSTRACT:
An improved door and jamb mortising pilot having the capability of performing numerous mortising operations effortlessly; having hinges to enable folding to a compact unit; having slide locks to prevent unintentional folding; having fixed guide pins to affect perfect alignment on a door or jamb; having a non-adjusting permanent rotating door and jamb margin spacer; having two alternative means of attachment to a door or jamb, specifically, anchor pins and gripping devices; having mortising guide templates that are interchangable to accommodate popular size hinges; and having mortising guide template pin locks to ensure position of mortising guide templates; said folding door and jam mortising pilot being highly adaptable but completely eliminating measurements and adjustments.

REFERENCES:
patent: 1462231 (1923-07-01), Fouse
patent: 1788256 (1931-01-01), Sherwin
patent: 2854761 (1958-10-01), Graham
patent: 3082800 (1963-03-01), Soss
patent: 3789892 (1974-02-01), Converse et al.

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