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US3799714A Expired / Lapsed US ⏱️ 0.0 years remaining

Mortar applicator

Assignee: Individual
•
Filing: 1971-12-29
•
Granted: 1974-03-26
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Expires: 1991-12-29
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Abstract

Abstract A portable device for applying mortar to desired portions of successive courses of block, brick, or any flat surface to improve the construction of masonry walls. The device includes a hopper, vibrator, and a base assembly having side guides for drawing the applicator along a course of block and dispensing mortar for laying the next course.

Inventors

  • 👤 W Vetovitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 08:13
CPC Classifications
E; E04; E04G; E04G21/00; E04G21/14; E04G21/16; E04G21/20; E04G21/204

Claims Analysis

Total Claims: 17
Claim 1
Independent Claim 82 words
A mortar applicator for dispensing mortar, comprising a hopper having side walls for receiving and containing mortar, said hopper havIng at least one opening for dispensing mortar, vibrating means integrally attached to said hopper and having a high frequency and low amplitude for urging the flow of mortar through said hopper, handle means for manually controlling said applicator and a base attached to said hopper for movingly supporting said hopper and said vibrating means therewith and vibrator dampening means for said hopper.
Claim 2
Dependent Claim 82 words
A mortar applicator for dispensing mortar, comprising a hopper having side walls for receiving and containing mortar, said hopper havIng at least one opening for dispensing mortar, vibrating means integrally attached to said hopper and having a high frequency and low amplitude for urging the flow of mortar through said hopper, handle means for manually controlling said applicator and a base attached to said hopper for movingly supporting said hopper and said vibrating means therewith and vibrator dampening means for said hopper.
Claim 3
Dependent Claim 17 words
A mortar applicator as defined in claim 1 wherein said vibrating means is attached to said hopper.
Claim 4
Dependent Claim 22 words
A mortar applicator as defined in claim 1 including switch means for controlling vibrations transmitted by said vibrating means to said hopper.
Claim 5
Dependent Claim 34 words
A mortar applicator as defined in claim 1 wherein said applicator has means for dispensing mortar in at least one ribbon along a surface and has means for regulating the amount of mortar dispensed.
Claim 6
Dependent Claim 34 words
A mortor applicator as defined in claim 4 wherein said means for dispensing mortar are substantially parallel plates attached at said hopper opening for dispensing mortar in at least one ribbon along a surface.
Claim 7
Dependent Claim 27 words
A mortar applicator as defined in claim 1 wherein said base includes substantially parallel guide rail strips for guiding the mortar applicator along a course of block.
Claim 8
Dependent Claim 24 words
A mortar applicator as defined in claim 1 wherein said hopper has two openings in the bottom for applying two ribbons of mortar therethrough.
Claim 9
Dependent Claim 24 words
A mortar applicator as defined in claim 1 wherein said base includes a plurality of wheels for advancing the mortar applicator along a wall.
Claim 10
Dependent Claim 26 words
A mortar applicator as defined in claim 1 wherein said applicator includes handle means for manually pulling said mortar applicator along a surface for dispensing mortar.
Claim 11
Dependent Claim 34 words
A mortar applicator as defined in claim 9 wherein said handle means is removeably connected to said base, said handle means having means for quickly disconnecting from said applicator base for cleaning said base.
Claim 12
Dependent Claim 33 words
A mortar applicator as defined in claim 1 wherein said hopper includes a plurality of bins with openings at the bottom for simultaneously grouting block in a wall at a plurality of positions.
Claim 13
Dependent Claim 109 words
A mortar applicator adapted to be moved along a surface for dispensing a desired thickness of mortar to the surface comprising: hopper means having side walls for containing mortar, said hopper means including at least one outlet from which mortar is adapted to flow; a base assembly adapted to be moved along said surface, said hopper means mounted on said base by resilient, vibration dampening mounting means; handle means connected to said base for manually controlling said applicator; and vibrating means having a high frequency and low amplitude and integrally connected to said hopper means for vibrating mortar in said hopper means for urging mortar flow through said outlet.
Claim 14
Dependent Claim 109 words
A mortar applicator adapted to be moved along a surface for dispensing a desired thickness of mortar to the surface comprising: hopper means having side walls for containing mortar, said hopper means including at least one outlet from which mortar is adapted to flow; a base assembly adapted to be moved along said surface, said hopper means mounted on said base by resilient, vibration dampening mounting means; handle means connected to said base for manually controlling said applicator; and vibrating means having a high frequency and low amplitude and integrally connected to said hopper means for vibrating mortar in said hopper means for urging mortar flow through said outlet.
Claim 15
Dependent Claim 24 words
The mortar applicator as defined in claim 12 wherein said base assembly includes guide means for guiding said applicator along a course of block.
Claim 16
Dependent Claim 22 words
The mortar applicator as defined in claim 12 including wheel means for allowing said applicator to be easily moved along said surface.
Claim 17
Dependent Claim 31 words
The mortar applicator as defined in claim 12 wherein said hopper means includes at least one inclined lower wall and wherein said outlet is in the bottom of said hopper means.

References Cited (Backward Citations)

US3146509A Cited
US3148432A Cited
US3423492A Cited
US3566491A Cited
US3600773A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-03-25 1977-09-24 1978-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-03-25 1981-09-24 1982-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-03-25 1985-09-24 1986-03-26 $7700.00 Window Closed / Lapsed

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