Lighting fixture mounting post

• US 9,234,651 B2
• Filed: 10/15/2013
• Issued: 01/12/2016
• Est. Priority Date: 10/18/2010
• Status: Expired due to Fees

• Current Assignee: Jeffrey Ohai
• Original Assignee: Jeffrey Ohai
• Inventors: Ohai, Jeffrey
• Primary Examiner(s): Gramling, Sean
• Application Number:
  US14/054,535
• Publication Number:
  US 20140119030A1
• Time in Patent Office: 819 Days
• Field of Search: 362147-148, 362/404, 362/408, 362410-415
• US Class Current: 1/1
• CPC Class Codes: F21S 8/063 with a rigid pendant, i.e. a pipe or rod
• CPC Class Codes: F21V 1/00 Shades for light sources , i.e. lampshades for table, floor, wall or ceiling lamps
• CPC Class Codes: F21V 17/06 the fastening being onto or by the lampholder
• CPC Class Codes: F21V 17/12 by screwing
• CPC Class Codes: F21V 21/10 Pendants, arms, or standards; Fixing lighting devices to pendants, arms, or standards adjustable mounting F21V21/14; construction of posts not peculiar to use with lighting devices E04H12/00
• CPC Class Codes: F21V 21/104 Pendants

Abstract

A light fixture mounting post includes an upper threaded portion for attaching the post to a light shade and a lower portion for attaching light fixtures to the post. The upper threaded portion has left handed threads, and an O-ring and a shaped rubber washer residing between a post nut and the shade. A post flange limits the insertion depth of the upper threaded portion through the shade. The threaded segments include right handed pipe threads for tightly engaging the light fixtures. Embodiments include a continuous lower portion with straight or tapered threads and a segmented lower portion with reduced thickness spaces separating the taper or straight threaded segments allowing easy shortening of the lower portion.

Claims

1. A light fixture assembly comprising:

a light shade comprising;

an upper attaching portion having a non-round passage; and

a lower shade portion;

a mounting post comprising;

a threaded upper portion;

a threaded lower portion for attaching a light fixture;

a flange separating the upper portion from the lower portion; and

a non-round shoulder residing in the non-round passage and cooperating with the non-round passage to prevent rotation of the mounting post;

a post nut threadedly cooperating with the threaded upper portion for attaching the mounting post to the light shade; and

a light fixture threadedly cooperating with the threaded lower portion of the mounting post for attaching the light fixture to the mounting post.

2. The light fixture assembly of claim 1, wherein a bottom surface of the post nut includes an O-Ring recess and an O-ring resides between the bottom surface of the post nut and the light shade.

3. The light fixture assembly of claim 1, wherein the lower portion is a threaded lower portion including a plurality of serially spaced apart threaded segments.

4. The light fixture assembly of claim 3, wherein the serially spaced apart threaded segments are separated by reduced thickness spaces (28) to allow easier shortening of the lower portion.

5. The light fixture assembly of claim 4, wherein the serially spaced apart threaded segments include a tapered National Pipe Thread (NPT) thread.

6. The light fixture assembly of claim 4, wherein the serially spaced apart threaded segments include a straight National Pipe Straight (NPS) thread.