Saw guard

• US 3,949,636 A
• Filed: 02/21/1975
• Issued: 04/13/1976
• Est. Priority Date: 02/21/1975
• Status: Expired due to Term

• Current Assignee: Armstrong Cork Company
• Original Assignee: Armstrong Cork Company
• Inventors: Ball, Kirby L., Darr, J. Clyde, Harrison, Theodore F. Jr.
• Primary Examiner(s): Meister, J. M.
• Application Number:
  US05/551,616
• Time in Patent Office: 417 Days
• Field of Search: 83/478, 83/397, 83/544-546, 144/251 R, 144/251 A, 144/251 B
• US Class Current: 83/478
• CPC Class Codes: B27G 19/02 for circular saws
• CPC Class Codes: Y10T 83/7734 With guard for tool

Abstract

The saw guard covers the blade during non-sawing periods and moves freely out of the way when sawing is being carried out. The saw guard is so constructed that the saw blade is visible at all times.

Claims

1. A saw guard assembly for use in combination with a conventional rotary saw table wherein said saw guard assembly comprises:

a. a saw guard subassembly of generally box shape,

1. with an open front and a transparent top,

2. said transparent top functions as a means to permit one to view the saw when the guard is in its saw guarding position,

3. said open side is on the side of the saw guard subassembly in the direction from which material to be cut is fed, said open side functions as the open side through which the saw passes when the saw guard subassembly is moved to its saw non-guarding position,

b. a slide means being connected to said guard subassembly, said slide means permits the guard subassembly to move between its guarding and non-guarding positions rapidly, wherein said slide means comprises;

1. a lower slide member fixedly positioned on the saw table,

2. an upper slide member engaging the lower slide member and fixedly positioned to the guard subassembly, and

3. said slide members reciprocating relative to each other to guide the movement of the guard subassembly, and

c. counterweight means counterbalancing the mass of the guard subassembly so that the guard subassembly may be easy to move from its guarding to its non-guarding position and so that the guard subassembly will automatically move back to its guarding position from its non-guarding position when pressure is removed from the guard subassembly.

2. The saw guard assembly of claim 1 wherein:

a. said guard subassembly has three sides arranged in a generally box shape with two sides parallel to the saw sides and the remaining side connecting together the ends of the aforesaid two sides,

b. said open side being at the opposite ends of the aforesaid two sides,

c. said transparent side resting on the top edges of the aforesaid three sides and above the saw of the table saw.

3. The saw guard subassembly of claim 2 wherein:

a. said counterweight means is fastened to said upper slide member, and

b. said mass of the counterweight is slightly greater than the mass of the movable parts of the guard subassembly and the upper slide member.