← Back to Patent Explorer
US4613042A Expired / Lapsed US ⏱️ 0.0 years remaining

Lamp holder

Assignee: KAR-GLO INDUSTRIES Inc AN IN CORP
•
Filing: 1985-04-25
•
Granted: 1986-09-23
•
Expires: 2005-04-25
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A lamp holder for attachment to a stepladder comprising a plurality of tapered tubes of different lengths integrally joined at their top ends so that a plurality of lamps can be held by the tubes at selected heights. A clamp is connected at one end thereof to the joined tubes and is detachably connected at the other end thereof to the stepladder at a preselected orientation so that the tubes are generally vertically disposed.

Inventors

  • 👤 Walter H. Aeschliman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:26
CPC Classifications
E; E06; E06C; E06C7/00; E06C7/14

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 205 words
A fluorescent lamp holder comprising: a first rigid tubular compartment and a second rigid tubular compartment, said tubular compartments having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends of elongate fluorescent lamps, said tubular compartments being connected together substantially parallel to one another with the bottom ends being vertically offset so that upper ends of lamps of the same length received in the compartments will be vertically offset thereby enabling easy grasping and viewing of the upper ends of the lamps, and a plurality of longitudinal reinforcing ribs on a side wall of each of said tubular compartments, a resilient cushion within each of said tubular compartments located on the bottom ends thereof adapted for cushioning the ends of lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; and clamp means detachably connected to said tubular compartments for rigidly clamping said tubular compartments to a support structure and for supporting said compartments in a substantially vertical position wherein said tubular compartments are connected to said clamp means by a cantilever support element having a reinforcing flange thereon.
Claim 2
Dependent Claim 205 words
A fluorescent lamp holder comprising: a first rigid tubular compartment and a second rigid tubular compartment, said tubular compartments having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends of elongate fluorescent lamps, said tubular compartments being connected together substantially parallel to one another with the bottom ends being vertically offset so that upper ends of lamps of the same length received in the compartments will be vertically offset thereby enabling easy grasping and viewing of the upper ends of the lamps, and a plurality of longitudinal reinforcing ribs on a side wall of each of said tubular compartments, a resilient cushion within each of said tubular compartments located on the bottom ends thereof adapted for cushioning the ends of lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; and clamp means detachably connected to said tubular compartments for rigidly clamping said tubular compartments to a support structure and for supporting said compartments in a substantially vertical position wherein said tubular compartments are connected to said clamp means by a cantilever support element having a reinforcing flange thereon.
Claim 3
Dependent Claim 83 words
The lamp holder of claim 1 further comprising third and fourth tubular compartments connected to said first and second compartments, said third and fourth compartments having bottom ends being vertically offset so that upper ends of lamps of the same length received in the third and fourth compartments will be vertically offset thereby enabling easy grasping and viewing of the upper ends of the lamps, and a resilient cushion within each of said third and fourth compartments located on the bottom ends thereof.
Claim 4
Dependent Claim 262 words
A fluorescent lamp holder comprising: a first rigid tube and a second rigid tube, said tubes having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends elongate fluorescent lamps, said tubes being connected together substantially parallel to one another with said open top ends in substantially the same plane, said second tube being longer in length than said first tube; a third tube substantially identical to said first tube and a fourth tube substantially identical to said second tube, said third and fourth tubes connected to said first and second tubes substantially parallel thereto with the top ends thereof substantially in the same plane as the ends of said first and second tubes; a resilient cushion within each of said tubes located on the bottom ends thereof adapted for cushioning the ends of lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; a plurality of longitudinal reinforcing ribs on a side wall of each of said tubular compartments; clamp means detachably connected to said tubes for rigidly clamping said tubes to a support structure and for supporting said tubes in a substantially vertical position; said detachable connection comprising two L-shaped protrusions connected to said tubes and two L-shaped channels connected to said clamp means, said channels receiving therein said L-shaped protrusions; and a reinforcing rib on said detachable connection between said clamp means and said tubes, said tubes including openings in the bottom ends thereof.
Claim 5
Dependent Claim 262 words
A fluorescent lamp holder comprising: a first rigid tube and a second rigid tube, said tubes having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends elongate fluorescent lamps, said tubes being connected together substantially parallel to one another with said open top ends in substantially the same plane, said second tube being longer in length than said first tube; a third tube substantially identical to said first tube and a fourth tube substantially identical to said second tube, said third and fourth tubes connected to said first and second tubes substantially parallel thereto with the top ends thereof substantially in the same plane as the ends of said first and second tubes; a resilient cushion within each of said tubes located on the bottom ends thereof adapted for cushioning the ends of lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; a plurality of longitudinal reinforcing ribs on a side wall of each of said tubular compartments; clamp means detachably connected to said tubes for rigidly clamping said tubes to a support structure and for supporting said tubes in a substantially vertical position; said detachable connection comprising two L-shaped protrusions connected to said tubes and two L-shaped channels connected to said clamp means, said channels receiving therein said L-shaped protrusions; and a reinforcing rib on said detachable connection between said clamp means and said tubes, said tubes including openings in the bottom ends thereof.
Claim 6
Dependent Claim 187 words
In combination: a first rigid tubular compartment and a second rigid tubular compartment, said tubular compartments having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends elongate fluorescent lamps, said tubular compartments being connected together substantially parallel to one another with the bottom ends being vertically offset so that upper ends of lamps of the same length received in the compartments will be vertically offset thereby enabling easy grasping and viewing of the upper ends of the lamps, a resilient cushion within each of said tubular compartments located on the bottom ends thereof adapted for cushioning the ends of lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; clamp means connected to said tubular compartments for rigidly clamping said tubular compartments to a support structure and for supporting said compartments in a substantially vertical position; and a fluorescent lamp vertically received in each of said tubular compartments, lower ends of the fluorescent lamps being supported on respective said resilient cushions.
Claim 7
Dependent Claim 187 words
In combination: a first rigid tubular compartment and a second rigid tubular compartment, said tubular compartments having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends elongate fluorescent lamps, said tubular compartments being connected together substantially parallel to one another with the bottom ends being vertically offset so that upper ends of lamps of the same length received in the compartments will be vertically offset thereby enabling easy grasping and viewing of the upper ends of the lamps, a resilient cushion within each of said tubular compartments located on the bottom ends thereof adapted for cushioning the ends of lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; clamp means connected to said tubular compartments for rigidly clamping said tubular compartments to a support structure and for supporting said compartments in a substantially vertical position; and a fluorescent lamp vertically received in each of said tubular compartments, lower ends of the fluorescent lamps being supported on respective said resilient cushions.
Claim 8
Dependent Claim 180 words
The combination of claim 4 further comprising: third and fourth tubular compartments connected to said first and second compartments, said third and fourth compartments having open top ends and closed off bottom ends and having sufficient length and width to support therein upon said closed off bottom ends elongate fluorescent lamps, said third and fourth tubular compartments being substantially parallel to said first and second compartments with the bottom ends thereof being vertically offset so that upper ends of lamps of the same length received in the third and fourth compartments will be vertically offset thereby enabling easy grasping and viewing of the upper ends of the lamps; a resilient cushion within each of the third and fourth compartments located on the bottom ends thereof adapted for cushioning the ends of the lamps supported in the compartments to prevent breakage and damage to the contact pins of the lamps when the lamps are inserted; and a fluorescent lamp vertically received in each of the third and fourth compartments, lower ends of the fluoresecent lamps being supported on respective resilient cushions.

References Cited (Backward Citations)

CA695174A Cited
US2584721A Cited
US2647712A Cited
US2898069A Cited
US3179255A Cited
US3273846A Cited
DE2321322A1 Cited
US3910541A Cited
US3987993A Cited
US4253830A Cited
US4431038A Cited
US4482049A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-09-22 1990-03-24 1990-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-09-22 1994-03-24 1994-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-09-22 1998-03-24 1998-09-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag