Mining or in situ disintegration of hard material – Hard material disintegrating machines – Floor-working
Patent
1995-10-31
1997-09-02
Bagnell, David J.
Mining or in situ disintegration of hard material
Hard material disintegrating machines
Floor-working
125 40, 173 90, 299100, B25D 112, B25D 1706
Patent
active
056623860
ABSTRACT:
Plunger-actuated surface-treating devices adapted for dislodging ice, linoleum, floor-tiles, carpets, and other topical-surfaces from underlying substrates. Several components of the disclosed plunger-actuated surface-treating devices respectively extend along an uprightable central-axis and include: a metallic surface-impacting tool at the lower-end forward-extremity of a rearwardly tubular forward-part having a topical rearward-end which tightly tubularly enclosed a non-metallic plug having a rearward topical-end; a semi-resilient non-metallic tubular rearward-part maintained in a preferably visually-concealed spatial-gap rearward overlying condition to the rearwardly tubular forward-part; a shock-absorber member loosely associated within the rearwardly tubular forward-part immediately rearwardly above the tightly enclosed non-metallic plug; and a manually-actuatable plunger having a forward and lower aft-end immediately overlyingly confronting the shock-absorber member and having a manually-thrustable upper and rearward trail-end located loftily upwardly rearwardly of the non-metallic tubular rearward-part.
REFERENCES:
patent: 2147828 (1939-02-01), Daniels
patent: 2619832 (1952-12-01), Vermeiden
patent: 3036482 (1962-05-01), Kenworthy et al.
patent: 3565351 (1971-02-01), Ross, Jr.
patent: 4241795 (1980-12-01), Landry, Jr.
Newman Christopher M.
Newman Clifford W.
Bagnell David J.
Nimmer George R.
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