Coating apparatus – Work surface shields – masks or protectors – Work-attached
Patent
1985-11-27
1986-11-04
McIntosh, John P.
Coating apparatus
Work surface shields, masks or protectors
Work-attached
51274, B05C 2100
Patent
active
046205039
ABSTRACT:
A pair of like adjustable masking mats for variously sized rectangular storm shutters, each including top and bottom L-shaped panels. A longitudinally oriented elongate groove is disposed on the back side of the long leg of the top panel while a complementary inwardly expanding elongate tongue is longitudinally disposed on the front side of the long leg of the bottom panel. The tongue interlocks and longitudinally slides within the groove for slidably interlocking the top and bottom panels together in a longitudinally contractable and expandable U-shape arrangement. Hand operable locking hardware is provided to releaseably hold the top and bottom panel stationary with respect to each other once the panels are sized for a particular shutter. The extending short legs of the panels each have a pair of complementary inclined engaging faces for cooperative engagement and under or overlaping of the engaging faces of the opposing adjacent mat about a shutter to permit lateral expansion and contraction of the mats with respect to each other to thereby adjustably mask variously sized shutters. The inner margins of the panels slope downwardly from intermediate the front side to the innermost edge of the respective panels to facilitate their fitting about and behind a shutter.
REFERENCES:
patent: 624796 (1899-05-01), Hardin
patent: 758372 (1904-04-01), Marsh
patent: 804569 (1905-11-01), Watson
patent: 1411462 (1922-04-01), Wendt
patent: 2227453 (1941-01-01), Koch
patent: 3193408 (1965-07-01), Triller
patent: 4085703 (1978-04-01), Glowacki
patent: 4411219 (1983-10-01), Keith et al.
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