US4879847A — Cover for pneumatic tool

Claim 1

Independent Claim 158 words

A cover for use with a motor and handle extending from the motor and composed of a soft, resilient, fairly rigid, thermoplastic elastomeric material of one-piece construction, said cover comprising a first body portion including a sidewall and a dome extending from said sidewall and defining a cavity to receive said motor, said dome being spaced from said motor to define a chamber between said dome and motor which serves as a muffler to reduce noise, and a hollow second body portion extending from said first body portion and having a bore to receive said handle, said cover providing a comfortable grip and insulating the hands of a user during use, said cover protecting said motor and handle from damage if dropped, damping vibration of said motor and handle, and sufficiently shielding said motor to prevent injury to said user, said cover having an external surface which is aesthetically pleasing without additional cosmetic operations to said external surface.

Claim 2

Dependent Claim 158 words

A cover for use with a motor and handle extending from the motor and composed of a soft, resilient, fairly rigid, thermoplastic elastomeric material of one-piece construction, said cover comprising a first body portion including a sidewall and a dome extending from said sidewall and defining a cavity to receive said motor, said dome being spaced from said motor to define a chamber between said dome and motor which serves as a muffler to reduce noise, and a hollow second body portion extending from said first body portion and having a bore to receive said handle, said cover providing a comfortable grip and insulating the hands of a user during use, said cover protecting said motor and handle from damage if dropped, damping vibration of said motor and handle, and sufficiently shielding said motor to prevent injury to said user, said cover having an external surface which is aesthetically pleasing without additional cosmetic operations to said external surface.

Claim 3

Dependent Claim 9 words

The cover of claim 1, being composed of rubber.

Claim 4

Dependent Claim 8 words

The cover of claim 2, being injection molded.

Claim 5

Dependent Claim 12 words

The cover of claim 1, wherein said dome has a convex shape.

Claim 6

Dependent Claim 118 words

A tool, comprising: a motor; a handle extending from said motor; and a cover including a first body portion having a sidewall and a dome extending from said sidewall defining a cavity to receive said motor, and a hollow second body portion extending from said first body portion and having a bore to receive said handle, said cover providing a comfortable grip and insulating the hands of a user during use, said cover protecting said motor and handle from damage if dropped, damping vibration of said motor and handle, and sufficiently shielding said motor to prevent injury to said user, said cover having an external surface which is aesthetically pleasing without additional cosmetic operations to said external surface.

Claim 7

Dependent Claim 118 words

A tool, comprising: a motor; a handle extending from said motor; and a cover including a first body portion having a sidewall and a dome extending from said sidewall defining a cavity to receive said motor, and a hollow second body portion extending from said first body portion and having a bore to receive said handle, said cover providing a comfortable grip and insulating the hands of a user during use, said cover protecting said motor and handle from damage if dropped, damping vibration of said motor and handle, and sufficiently shielding said motor to prevent injury to said user, said cover having an external surface which is aesthetically pleasing without additional cosmetic operations to said external surface.

Claim 8

Dependent Claim 31 words

The tool of claim 5, wherein said handle has a lever pivotally mounted on the handle, and in which said second body portion includes an elongated sot to receive said lever.

Claim 9

Dependent Claim 28 words

The tool of claim 6, wherein said first body portion includes a rear recess to receive said lever at a forward position of said lever in said slot.

Claim 10

Dependent Claim 27 words

The tool of claim 5, wherein said handle includes a valve pin, and in which said second body portion includes an aperture to receive the valve pin.

Claim 11

Dependent Claim 38 words

The tool of claim 5, and further comprising a paddle pivotally mounted to said handle and having a pair of elongated spaced flanges, said second body portion including a pair of elongated spaced grooves to receive said flanges.

Claim 12

Dependent Claim 22 words

The tool of claim 5, wherein said dome is spaced from said motor and defines a chamber between said dome and motor.

Claim 13

Dependent Claim 12 words

The tool of claim 10, wherein said dome has a convex shape.

Claim 14

Dependent Claim 25 words

The tool of claim 5, wherein said motor includes a peripheral ledge, said first body portion including an inner peripheral groove to receive said ledge.

Claim 15

Dependent Claim 25 words

The tool of claim 5, wherein said first body portion includes a plurality of peripheral fins adjacent a lower portion of said first body portion.

Claim 16

Dependent Claim 29 words

The tool of claim 5, wherein said motor is driven by a fluid, said first body portion including opening means positioned to pass exhaust of fluid from said motor.

Claim 17

Dependent Claim 14 words

The tool of claim 14, wherein said opening means is a plurality of slots.

Claim 18

Dependent Claim 24 words

The tool of claim 5, wherein said motor includes lower rotating parts, said first body portion including a lower portion covering said rotating parts.

Claim 19

Dependent Claim 21 words

The tool of claim 5, wherein said first body portion includes a peripheral recess to receive the fingers of a user.

Claim 20

Dependent Claim 36 words

The tool of claim 17, wherein said motor is driven by a fluid, said cover further including at least one opening to permit exhaust of fluid from said motor, said recess being spaced from said opening.

Claim 21

Dependent Claim 72 words

The tool of claim 5, wherein said motor includes a peripheral ledge having an upper enlarged portion in which said first body portion includes an inner peripheral groove to receive said ledge, and an outer peripheral groove positioned slightly below said enlarged portion, and further comprising a resilient locking ring in said peripheral groove to urge said cover beneath said enlarged portion and prevent slippage of said cover relative to the motor.

Claim 22

Dependent Claim 36 words

The tool of claim 5, wherein said motor includes a peripheral ledge, said first body portion including a plurality of spaced inwardly directed flanges located above said motor and having lower ends engaging against said ledge.

Claim 23

Dependent Claim 33 words

The tool of claim 5, wherein said motor includes at least one outwardly directed retaining member, said first body portion including a pair of spaced inwardly directed flanges to receive said retaining member.

Claim 24

Dependent Claim 33 words

The tool of claim 21, wherein said motor includes an outwardly directed peripheral ledge, said cover including an inner peripheral groove to receive said ledge, said retaining member extending upwardly from said ledge.

Claim 25

Dependent Claim 16 words

The tool of claim 22, wherein said flanges have a lower end engaging against said ledge.

Claim 26

Dependent Claim 26 words

The tool of claim 22, wherein said first body portion includes at least one additional inwardly directed flange having a lower end engaging against said ledge.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1992-11-13	1993-05-15	1993-11-14	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1996-11-13	1997-05-15	1997-11-14	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2000-11-13	2001-05-15	2001-11-14	$7700.00	Window Closed / Lapsed

Cover for pneumatic tool

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